2923640913 has 4 divisors (see below), whose sum is σ = 3898187888. Its totient is φ = 1949093940.

The previous prime is 2923640897. The next prime is 2923640971. The reversal of 2923640913 is 3190463292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2923640913 - 2⁴ = 2923640897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2923645913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487273483 + ... + 487273488.

It is an arithmetic number, because the mean of its divisors is an integer number (974546972).

Almost surely, 2^2923640913 is an apocalyptic number.

It is an amenable number.

2923640913 is a deficient number, since it is larger than the sum of its proper divisors (974546975).

2923640913 is an equidigital number, since it uses as much as digits as its factorization.

2923640913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974546974.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 2923640913 is about 54070.7029083218. The cubic root of 2923640913 is about 1429.9077178130.

The spelling of 2923640913 in words is "two billion, nine hundred twenty-three million, six hundred forty thousand, nine hundred thirteen".