2375847921 has 4 divisors (see below), whose sum is σ = 3167797232. Its totient is φ = 1583898612.

The previous prime is 2375847919. The next prime is 2375847941. The reversal of 2375847921 is 1297485732.

It is a happy number.

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 2375847921 - 2¹ = 2375847919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2375847941) 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, 395974651 + ... + 395974656.

It is an arithmetic number, because the mean of its divisors is an integer number (791949308).

Almost surely, 2^2375847921 is an apocalyptic number.

It is an amenable number.

2375847921 is a deficient number, since it is larger than the sum of its proper divisors (791949311).

2375847921 is an equidigital number, since it uses as much as digits as its factorization.

2375847921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791949310.

The product of its digits is 846720, while the sum is 48.

The square root of 2375847921 is about 48742.6704336149. The cubic root of 2375847921 is about 1334.3595839809.

The spelling of 2375847921 in words is "two billion, three hundred seventy-five million, eight hundred forty-seven thousand, nine hundred twenty-one".