39813125354 has 4 divisors (see below), whose sum is σ = 59719688034. Its totient is φ = 19906562676.

The previous prime is 39813125323. The next prime is 39813125411. The reversal of 39813125354 is 45352131893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45352131893 = 29 ⋅1563866617.

It can be written as a sum of positive squares in only one way, i.e., 36311208025 + 3501917329 = 190555^2 + 59177^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9953281337 + ... + 9953281340.

Almost surely, 2^39813125354 is an apocalyptic number.

39813125354 is a deficient number, since it is larger than the sum of its proper divisors (19906562680).

39813125354 is a wasteful number, since it uses less digits than its factorization.

39813125354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19906562679.

The product of its digits is 388800, while the sum is 44.

The spelling of 39813125354 in words is "thirty-nine billion, eight hundred thirteen million, one hundred twenty-five thousand, three hundred fifty-four".