3913138593 has 112 divisors (see below), whose sum is σ = 7346918656. Its totient is φ = 2028136320.

The previous prime is 3913138583. The next prime is 3913138613. The reversal of 3913138593 is 3958313193.

3913138593 is a `hidden beast` number, since 39 + 13 + 13 + 8 + 593 = 666.

3913138593 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3913138593 - 2²⁴ = 3896361377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3913138513) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4046196 + ... + 4047162.

It is an arithmetic number, because the mean of its divisors is an integer number (65597488).

Almost surely, 2^3913138593 is an apocalyptic number.

It is an amenable number.

3913138593 is a deficient number, since it is larger than the sum of its proper divisors (3433780063).

3913138593 is an equidigital number, since it uses as much as digits as its factorization.

3913138593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1051 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 3913138593 is about 62555.0844696097. The cubic root of 3913138593 is about 1575.8265375975.

The spelling of 3913138593 in words is "three billion, nine hundred thirteen million, one hundred thirty-eight thousand, five hundred ninety-three".