69939959652 has 84 divisors (see below), whose sum is σ = 193166939280. Its totient is φ = 22086285552.

The previous prime is 69939959591. The next prime is 69939959657. The reversal of 69939959652 is 25695993996.

It is a super-2 number, since 2×69939959652² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69939959657) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 575778 + ... + 686585.

It is an arithmetic number, because the mean of its divisors is an integer number (2299606420).

Almost surely, 2^69939959652 is an apocalyptic number.

It is an amenable number.

69939959652 is an abundant number, since it is smaller than the sum of its proper divisors (123226979628).

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

69939959652 is a wasteful number, since it uses less digits than its factorization.

69939959652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262404 (or 1262387 counting only the distinct ones).

The product of its digits is 318864600, while the sum is 72.

The spelling of 69939959652 in words is "sixty-nine billion, nine hundred thirty-nine million, nine hundred fifty-nine thousand, six hundred fifty-two".