3913605917 has 16 divisors (see below), whose sum is σ = 4491486720. Its totient is φ = 3381958272.

The previous prime is 3913605911. The next prime is 3913605919. The reversal of 3913605917 is 7195063193.

3913605917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3913605917 - 2¹² = 3913601821 is a prime.

It is a super-2 number, since 2×3913605917² = 30632622547154821778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913605911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125192 + ... + 153297.

It is an arithmetic number, because the mean of its divisors is an integer number (280717920).

Almost surely, 2^3913605917 is an apocalyptic number.

It is an amenable number.

3913605917 is a deficient number, since it is larger than the sum of its proper divisors (577880803).

3913605917 is a wasteful number, since it uses less digits than its factorization.

3913605917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278572.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 3913605917 is about 62558.8196579827. The cubic root of 3913605917 is about 1575.8892657827.

The spelling of 3913605917 in words is "three billion, nine hundred thirteen million, six hundred five thousand, nine hundred seventeen".