13189531425 has 24 divisors (see below), whose sum is σ = 24921934656. Its totient is φ = 6029499840.

The previous prime is 13189531357. The next prime is 13189531471. The reversal of 13189531425 is 52413598131.

It is a happy number.

It is not a de Polignac number, because 13189531425 - 2¹³ = 13189523233 is a prime.

It is a super-2 number, since 2×13189531425² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12560934 + ... + 12561983.

It is an arithmetic number, because the mean of its divisors is an integer number (1038413944).

Almost surely, 2^13189531425 is an apocalyptic number.

13189531425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13189531425 is a deficient number, since it is larger than the sum of its proper divisors (11732403231).

13189531425 is a wasteful number, since it uses less digits than its factorization.

13189531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25122937 (or 25122932 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 13189531425 in words is "thirteen billion, one hundred eighty-nine million, five hundred thirty-one thousand, four hundred twenty-five".