2977313491 has 4 divisors (see below), whose sum is σ = 3003661512. Its totient is φ = 2950965472.

The previous prime is 2977313489. The next prime is 2977313497. The reversal of 2977313491 is 1943137792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2977313491 - 2¹ = 2977313489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2977313497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13173841 + ... + 13174066.

It is an arithmetic number, because the mean of its divisors is an integer number (750915378).

Almost surely, 2^2977313491 is an apocalyptic number.

2977313491 is a deficient number, since it is larger than the sum of its proper divisors (26348021).

2977313491 is a wasteful number, since it uses less digits than its factorization.

2977313491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26348020.

The product of its digits is 285768, while the sum is 46.

The square root of 2977313491 is about 54564.7641889892. The cubic root of 2977313491 is about 1438.6048555083.

It can be divided in two parts, 29773 and 13491, that added together give a square (43264 = 208²).

The spelling of 2977313491 in words is "two billion, nine hundred seventy-seven million, three hundred thirteen thousand, four hundred ninety-one".