2923640971 has 2 divisors, whose sum is σ = 2923640972. Its totient is φ = 2923640970.

The previous prime is 2923640897. The next prime is 2923640981. The reversal of 2923640971 is 1790463292.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2923640971 - 2⁷ = 2923640843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2923640981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461820485 + 1461820486.

It is an arithmetic number, because the mean of its divisors is an integer number (1461820486).

Almost surely, 2^2923640971 is an apocalyptic number.

2923640971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2923640971 is an equidigital number, since it uses as much as digits as its factorization.

2923640971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2923640971 is about 54070.7034446566. The cubic root of 2923640971 is about 1429.9077272686.

It can be divided in two parts, 29236 and 40971, that added together give a palindrome (70207).

The spelling of 2923640971 in words is "two billion, nine hundred twenty-three million, six hundred forty thousand, nine hundred seventy-one".