13642071425 has 12 divisors (see below), whose sum is σ = 17309569200. Its totient is φ = 10659850320.

The previous prime is 13642071407. The next prime is 13642071427. The reversal of 13642071425 is 52417024631.

It is not a de Polignac number, because 13642071425 - 2¹⁰ = 13642070401 is a prime.

It is a super-2 number, since 2×13642071425² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13642071427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6344075 + ... + 6346224.

It is an arithmetic number, because the mean of its divisors is an integer number (1442464100).

Almost surely, 2^13642071425 is an apocalyptic number.

It is an amenable number.

13642071425 is a deficient number, since it is larger than the sum of its proper divisors (3667497775).

13642071425 is a wasteful number, since it uses less digits than its factorization.

13642071425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690352 (or 12690347 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 13642071425 in words is "thirteen billion, six hundred forty-two million, seventy-one thousand, four hundred twenty-five".