2373993881 has 8 divisors (see below), whose sum is σ = 2715404544. Its totient is φ = 2033150400.

The previous prime is 2373993871. The next prime is 2373993887. The reversal of 2373993881 is 1883993732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2373993881 is a prime.

It is a super-2 number, since 2×2373993881² = 11271693894050884322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2373993887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132785 + ... + 149598.

It is an arithmetic number, because the mean of its divisors is an integer number (339425568).

Almost surely, 2^2373993881 is an apocalyptic number.

It is an amenable number.

2373993881 is a deficient number, since it is larger than the sum of its proper divisors (341410663).

2373993881 is a wasteful number, since it uses less digits than its factorization.

2373993881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283591.

The product of its digits is 1959552, while the sum is 53.

The square root of 2373993881 is about 48723.6480674426. The cubic root of 2373993881 is about 1334.0123956734.

The spelling of 2373993881 in words is "two billion, three hundred seventy-three million, nine hundred ninety-three thousand, eight hundred eighty-one".