13025606631 has 4 divisors (see below), whose sum is σ = 17367475512. Its totient is φ = 8683737752.

The previous prime is 13025606623. The next prime is 13025606647. The reversal of 13025606631 is 13660652031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13025606631 - 2³ = 13025606623 is a prime.

It is a super-2 number, since 2×13025606631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13025606592 and 13025606601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13025606131) 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 3 ways as a sum of consecutive naturals, for example, 2170934436 + ... + 2170934441.

It is an arithmetic number, because the mean of its divisors is an integer number (4341868878).

Almost surely, 2^13025606631 is an apocalyptic number.

13025606631 is a deficient number, since it is larger than the sum of its proper divisors (4341868881).

13025606631 is an equidigital number, since it uses as much as digits as its factorization.

13025606631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341868880.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 13025606631 in words is "thirteen billion, twenty-five million, six hundred six thousand, six hundred thirty-one".