13831896625 has 8 divisors (see below), whose sum is σ = 17262207144. Its totient is φ = 11065517200.

The previous prime is 13831896623. The next prime is 13831896667. The reversal of 13831896625 is 52669813831.

It can be written as a sum of positive squares in 4 ways, for example, as 938748321 + 12893148304 = 30639^2 + 113548^2 .

It is not a de Polignac number, because 13831896625 - 2¹ = 13831896623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13831896623) 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 7 ways as a sum of consecutive naturals, for example, 55327462 + ... + 55327711.

It is an arithmetic number, because the mean of its divisors is an integer number (2157775893).

Almost surely, 2^13831896625 is an apocalyptic number.

It is an amenable number.

13831896625 is a deficient number, since it is larger than the sum of its proper divisors (3430310519).

13831896625 is an equidigital number, since it uses as much as digits as its factorization.

13831896625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110655188 (or 110655178 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The spelling of 13831896625 in words is "thirteen billion, eight hundred thirty-one million, eight hundred ninety-six thousand, six hundred twenty-five".