69840989532 has 48 divisors (see below), whose sum is σ = 183549653280. Its totient is φ = 22961418624.

The previous prime is 69840989527. The next prime is 69840989579. The reversal of 69840989532 is 23598904896.

69840989532 is a `hidden beast` number, since 6 + 9 + 8 + 4 + 0 + 98 + 9 + 532 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 69840989532.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4421403 + ... + 4437170.

It is an arithmetic number, because the mean of its divisors is an integer number (3823951110).

Almost surely, 2^69840989532 is an apocalyptic number.

It is an amenable number.

69840989532 is an abundant number, since it is smaller than the sum of its proper divisors (113708663748).

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

69840989532 is a wasteful number, since it uses less digits than its factorization.

69840989532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858659 (or 8858651 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 69840989532 in words is "sixty-nine billion, eight hundred forty million, nine hundred eighty-nine thousand, five hundred thirty-two".