13504766625 has 48 divisors (see below), whose sum is σ = 27822407808. Its totient is φ = 6173604000.

The previous prime is 13504766621. The next prime is 13504766633. The reversal of 13504766625 is 52666740531.

It is not a de Polignac number, because 13504766625 - 2² = 13504766621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13504766621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 849571 + ... + 865320.

It is an arithmetic number, because the mean of its divisors is an integer number (579633496).

Almost surely, 2^13504766625 is an apocalyptic number.

13504766625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13504766625 is an abundant number, since it is smaller than the sum of its proper divisors (14317641183).

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

13504766625 is a wasteful number, since it uses less digits than its factorization.

13504766625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714919 (or 1714906 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 13504766625 in words is "thirteen billion, five hundred four million, seven hundred sixty-six thousand, six hundred twenty-five".