69897985652 has 12 divisors (see below), whose sum is σ = 133441609056. Its totient is φ = 31771811640.

The previous prime is 69897985613. The next prime is 69897985681. The reversal of 69897985652 is 25658979896.

It is a self number, because there is not a number n which added to its sum of digits gives 69897985652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794295248 + ... + 794295335.

It is an arithmetic number, because the mean of its divisors is an integer number (11120134088).

Almost surely, 2^69897985652 is an apocalyptic number.

It is an amenable number.

69897985652 is a deficient number, since it is larger than the sum of its proper divisors (63543623404).

69897985652 is a wasteful number, since it uses less digits than its factorization.

69897985652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588590598 (or 1588590596 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 74.

The spelling of 69897985652 in words is "sixty-nine billion, eight hundred ninety-seven million, nine hundred eighty-five thousand, six hundred fifty-two".