2521944823 has 2 divisors, whose sum is σ = 2521944824. Its totient is φ = 2521944822.

The previous prime is 2521944787. The next prime is 2521944869. The reversal of 2521944823 is 3284491252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521944823 - 2¹⁷ = 2521813751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521945823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260972411 + 1260972412.

It is an arithmetic number, because the mean of its divisors is an integer number (1260972412).

Almost surely, 2^2521944823 is an apocalyptic number.

2521944823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521944823 is an equidigital number, since it uses as much as digits as its factorization.

2521944823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 2521944823 is about 50218.9687568353. The cubic root of 2521944823 is about 1361.1684060518.

The spelling of 2521944823 in words is "two billion, five hundred twenty-one million, nine hundred forty-four thousand, eight hundred twenty-three".