1373373631425 has 24 divisors (see below), whose sum is σ = 2270840108320. Its totient is φ = 732402806400.

The previous prime is 1373373631387. The next prime is 1373373631453. The reversal of 1373373631425 is 5241363733731.

It is a happy number.

It is not a de Polignac number, because 1373373631425 - 2²⁶ = 1373306522561 is a prime.

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, 93390 + ... + 1659960.

Almost surely, 2^{1373373631425} is an apocalyptic number.

1373373631425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1373373631425 is a deficient number, since it is larger than the sum of its proper divisors (897466476895).

1373373631425 is a wasteful number, since it uses less digits than its factorization.

1373373631425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578273 (or 1578268 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 48.

The spelling of 1373373631425 in words is "one trillion, three hundred seventy-three billion, three hundred seventy-three million, six hundred thirty-one thousand, four hundred twenty-five".