13248643625 has 32 divisors (see below), whose sum is σ = 18975061248. Its totient is φ = 9046944000.

The previous prime is 13248643621. The next prime is 13248643657. The reversal of 13248643625 is 52634684231.

It is not a de Polignac number, because 13248643625 - 2² = 13248643621 is a prime.

It is a super-5 number, since 5×13248643625⁵ (a number of 52 digits) contains 55555 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13248643621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179462 + ... + 242288.

It is an arithmetic number, because the mean of its divisors is an integer number (592970664).

Almost surely, 2^13248643625 is an apocalyptic number.

It is an amenable number.

13248643625 is a deficient number, since it is larger than the sum of its proper divisors (5726417623).

13248643625 is an equidigital number, since it uses as much as digits as its factorization.

13248643625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63090 (or 63080 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The spelling of 13248643625 in words is "thirteen billion, two hundred forty-eight million, six hundred forty-three thousand, six hundred twenty-five".