13975385652 has 48 divisors (see below), whose sum is σ = 37401280000. Its totient is φ = 4508187840.

The previous prime is 13975385639. The next prime is 13975385659. The reversal of 13975385652 is 25658357931.

13975385652 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 538 + 56 + 52 = 666.

It is a super-2 number, since 2×13975385652² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13975385659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2083777 + ... + 2090472.

Almost surely, 2^13975385652 is an apocalyptic number.

13975385652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13975385652 is an abundant number, since it is smaller than the sum of its proper divisors (23425894348).

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

13975385652 is a wasteful number, since it uses less digits than its factorization.

13975385652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174293 (or 4174285 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 13975385652 in words is "thirteen billion, nine hundred seventy-five million, three hundred eighty-five thousand, six hundred fifty-two".