690242004882 has 24 divisors (see below), whose sum is σ = 1495558085580. Its totient is φ = 230075477280.

The previous prime is 690242004857. The next prime is 690242004899. The reversal of 690242004882 is 288400242096.

It can be written as a sum of positive squares in 2 ways, for example, as 625853449881 + 64388555001 = 791109^2 + 253749^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434344 + ... + 1252652.

Almost surely, 2^690242004882 is an apocalyptic number.

690242004882 is an abundant number, since it is smaller than the sum of its proper divisors (805316080698).

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

690242004882 is a wasteful number, since it uses less digits than its factorization.

690242004882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865178 (or 865175 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 690242004882 in words is "six hundred ninety billion, two hundred forty-two million, four thousand, eight hundred eighty-two".