2373854991 has 32 divisors (see below), whose sum is σ = 3336023040. Its totient is φ = 1499700096.

The previous prime is 2373854983. The next prime is 2373855007. The reversal of 2373854991 is 1994583732.

It is not a de Polignac number, because 2373854991 - 2³ = 2373854983 is a prime.

It is a super-2 number, since 2×2373854991² = 11270375036591220162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2373854971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193700 + ... + 1195686.

It is an arithmetic number, because the mean of its divisors is an integer number (104250720).

Almost surely, 2^2373854991 is an apocalyptic number.

2373854991 is a deficient number, since it is larger than the sum of its proper divisors (962168049).

2373854991 is a wasteful number, since it uses less digits than its factorization.

2373854991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303.

The product of its digits is 1632960, while the sum is 51.

The square root of 2373854991 is about 48722.2227633346. Note that the first 3 decimals coincide. The cubic root of 2373854991 is about 1333.9863797969.

The spelling of 2373854991 in words is "two billion, three hundred seventy-three million, eight hundred fifty-four thousand, nine hundred ninety-one".