2522981823 has 16 divisors (see below), whose sum is σ = 3553651200. Its totient is φ = 1587781440.

The previous prime is 2522981819. The next prime is 2522981831. The reversal of 2522981823 is 3281892252.

It is not a de Polignac number, because 2522981823 - 2² = 2522981819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522981023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62743 + ... + 94776.

It is an arithmetic number, because the mean of its divisors is an integer number (222103200).

Almost surely, 2^2522981823 is an apocalyptic number.

2522981823 is a deficient number, since it is larger than the sum of its proper divisors (1030669377).

2522981823 is a wasteful number, since it uses less digits than its factorization.

2522981823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157822.

The product of its digits is 138240, while the sum is 42.

The square root of 2522981823 is about 50229.2924795880. The cubic root of 2522981823 is about 1361.3549470365.

The spelling of 2522981823 in words is "two billion, five hundred twenty-two million, nine hundred eighty-one thousand, eight hundred twenty-three".