2421698472 has 160 divisors (see below), whose sum is σ = 6986152800. Its totient is φ = 783409536.

The previous prime is 2421698471. The next prime is 2421698473. The reversal of 2421698472 is 2748961242.

It is an interprime number because it is at equal distance from previous prime (2421698471) and next prime (2421698473).

It is not an unprimeable number, because it can be changed into a prime (2421698471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3674479 + ... + 3675137.

It is an arithmetic number, because the mean of its divisors is an integer number (43663455).

Almost surely, 2^2421698472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421698472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3493076400).

2421698472 is an abundant number, since it is smaller than the sum of its proper divisors (4564454328).

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

2421698472 is a wasteful number, since it uses less digits than its factorization.

2421698472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 824 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2421698472 is about 49210.7556536170. The cubic root of 2421698472 is about 1342.8887098876. Note that the first 3 decimals are identical.

The spelling of 2421698472 in words is "two billion, four hundred twenty-one million, six hundred ninety-eight thousand, four hundred seventy-two".