2331872553 has 4 divisors (see below), whose sum is σ = 3109163408. Its totient is φ = 1554581700.

The previous prime is 2331872551. The next prime is 2331872561. The reversal of 2331872553 is 3552781332.

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 2331872553 - 2¹ = 2331872551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331872551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388645423 + ... + 388645428.

It is an arithmetic number, because the mean of its divisors is an integer number (777290852).

Almost surely, 2^2331872553 is an apocalyptic number.

It is an amenable number.

2331872553 is a deficient number, since it is larger than the sum of its proper divisors (777290855).

2331872553 is an equidigital number, since it uses as much as digits as its factorization.

2331872553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777290854.

The product of its digits is 151200, while the sum is 39.

The square root of 2331872553 is about 48289.4662737123. The cubic root of 2331872553 is about 1326.0755577792.

The spelling of 2331872553 in words is "two billion, three hundred thirty-one million, eight hundred seventy-two thousand, five hundred fifty-three".