3149407772991 has 16 divisors (see below), whose sum is σ = 4667509191520. Its totient is φ = 2098831227840.

The previous prime is 3149407772909. The next prime is 3149407773007. The reversal of 3149407772991 is 1992777049413.

3149407772991 is a `hidden beast` number, since 3 + 1 + 494 + 0 + 77 + 72 + 9 + 9 + 1 = 666.

It is not a de Polignac number, because 3149407772991 - 2¹⁰ = 3149407771967 is a prime.

It is a super-2 number, since 2×3149407772991² (a number of 26 digits) 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 (3149407770991) 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, 21424120 + ... + 21570621.

It is an arithmetic number, because the mean of its divisors is an integer number (291719324470).

Almost surely, 2^{3149407772991} is an apocalyptic number.

3149407772991 is a deficient number, since it is larger than the sum of its proper divisors (1518101418529).

3149407772991 is a wasteful number, since it uses less digits than its factorization.

3149407772991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42997463 (or 42997457 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 3149407772991 in words is "three trillion, one hundred forty-nine billion, four hundred seven million, seven hundred seventy-two thousand, nine hundred ninety-one".