2189607498 has 64 divisors (see below), whose sum is σ = 5467956480. Its totient is φ = 644428224.

The previous prime is 2189607473. The next prime is 2189607617. The reversal of 2189607498 is 8947069812.

2189607498 is a `hidden beast` number, since 21 + 8 + 9 + 607 + 4 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51661 + ... + 83952.

It is an arithmetic number, because the mean of its divisors is an integer number (85436820).

Almost surely, 2^2189607498 is an apocalyptic number.

2189607498 is an abundant number, since it is smaller than the sum of its proper divisors (3278348982).

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

2189607498 is a wasteful number, since it uses less digits than its factorization.

2189607498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135660 (or 135654 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 2189607498 is about 46793.2420120684. The cubic root of 2189607498 is about 1298.5402743579.

The spelling of 2189607498 in words is "two billion, one hundred eighty-nine million, six hundred seven thousand, four hundred ninety-eight".