3913084091 has 6 divisors (see below), whose sum is σ = 4551955020. Its totient is φ = 3354072036.

The previous prime is 3913084079. The next prime is 3913084099. The reversal of 3913084091 is 1904803193.

It is a happy number.

It is not a de Polignac number, because 3913084091 - 2¹⁰ = 3913083067 is a prime.

It is a super-4 number, since 4×3913084091⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3913084099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39929381 + ... + 39929478.

It is an arithmetic number, because the mean of its divisors is an integer number (758659170).

Almost surely, 2^3913084091 is an apocalyptic number.

3913084091 is a deficient number, since it is larger than the sum of its proper divisors (638870929).

3913084091 is an equidigital number, since it uses as much as digits as its factorization.

3913084091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79858873 (or 79858866 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 3913084091 is about 62554.6488360378. The cubic root of 3913084091 is about 1575.8192215523.

The spelling of 3913084091 in words is "three billion, nine hundred thirteen million, eighty-four thousand, ninety-one".