13625243065 has 24 divisors (see below), whose sum is σ = 19248909120. Its totient is φ = 9230443488.

The previous prime is 13625243029. The next prime is 13625243089. The reversal of 13625243065 is 56034252631.

It is not a de Polignac number, because 13625243065 - 2⁷ = 13625242937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314685 + ... + 355354.

It is an arithmetic number, because the mean of its divisors is an integer number (802037880).

Almost surely, 2^13625243065 is an apocalyptic number.

It is an amenable number.

13625243065 is a deficient number, since it is larger than the sum of its proper divisors (5623666055).

13625243065 is an equidigital number, since it uses as much as digits as its factorization.

13625243065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670141 (or 670134 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 13625243065 its reverse (56034252631), we get a palindrome (69659495696).

The spelling of 13625243065 in words is "thirteen billion, six hundred twenty-five million, two hundred forty-three thousand, sixty-five".