2147698530 has 128 divisors (see below), whose sum is σ = 6026400000. Its totient is φ = 543481344.

The previous prime is 2147698499. The next prime is 2147698537. The reversal of 2147698530 is 358967412.

2147698530 is a `hidden beast` number, since 21 + 4 + 7 + 6 + 98 + 530 = 666.

2147698530 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2147698530² = 9225217951528321800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

2147698530 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (2147698537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459646 + ... + 464294.

It is an arithmetic number, because the mean of its divisors is an integer number (47081250).

It is a 1-persistent number, because it is pandigital, but 2⋅2147698530 = 4295397060 is not.

Almost surely, 2^2147698530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147698530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013200000).

2147698530 is an abundant number, since it is smaller than the sum of its proper divisors (3878701470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2147698530 is a wasteful number, since it uses less digits than its factorization.

2147698530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2147698530 is about 46343.2684432162. The cubic root of 2147698530 is about 1290.2021857240.

The spelling of 2147698530 in words is "two billion, one hundred forty-seven million, six hundred ninety-eight thousand, five hundred thirty".