13431735625 has 80 divisors (see below), whose sum is σ = 21226005504. Its totient is φ = 8253000000.

The previous prime is 13431735619. The next prime is 13431735631. The reversal of 13431735625 is 52653713431.

It is an interprime number because it is at equal distance from previous prime (13431735619) and next prime (13431735631).

It is not a de Polignac number, because 13431735625 - 2¹⁹ = 13431211337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3414910 + ... + 3418840.

Almost surely, 2^13431735625 is an apocalyptic number.

It is an amenable number.

13431735625 is a deficient number, since it is larger than the sum of its proper divisors (7794269879).

13431735625 is an equidigital number, since it uses as much as digits as its factorization.

13431735625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4025 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The spelling of 13431735625 in words is "thirteen billion, four hundred thirty-one million, seven hundred thirty-five thousand, six hundred twenty-five".