13624643652 has 24 divisors (see below), whose sum is σ = 33464037600. Its totient is φ = 4302518976.

The previous prime is 13624643651. The next prime is 13624643689. The reversal of 13624643652 is 25634642631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13624643651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29878377 + ... + 29878832.

It is an arithmetic number, because the mean of its divisors is an integer number (1394334900).

Almost surely, 2^13624643652 is an apocalyptic number.

13624643652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13624643652 is an abundant number, since it is smaller than the sum of its proper divisors (19839393948).

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

13624643652 is a wasteful number, since it uses less digits than its factorization.

13624643652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59757235 (or 59757233 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The spelling of 13624643652 in words is "thirteen billion, six hundred twenty-four million, six hundred forty-three thousand, six hundred fifty-two".