13642867025 has 12 divisors (see below), whose sum is σ = 16923571584. Its totient is φ = 10910154000.

The previous prime is 13642867003. The next prime is 13642867033. The reversal of 13642867025 is 52076824631.

It is a de Polignac number, because none of the positive numbers 2^k-13642867025 is a prime.

It is a super-2 number, since 2×13642867025² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35381 + ... + 168930.

It is an arithmetic number, because the mean of its divisors is an integer number (1410297632).

Almost surely, 2^13642867025 is an apocalyptic number.

It is an amenable number.

13642867025 is a deficient number, since it is larger than the sum of its proper divisors (3280704559).

13642867025 is a wasteful number, since it uses less digits than its factorization.

13642867025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206992 (or 206987 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 13642867025 in words is "thirteen billion, six hundred forty-two million, eight hundred sixty-seven thousand, twenty-five".