2504121439 has 2 divisors, whose sum is σ = 2504121440. Its totient is φ = 2504121438.

The previous prime is 2504121421. The next prime is 2504121443. The reversal of 2504121439 is 9341214052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2504121439 - 2⁵ = 2504121407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2504121439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2504121479) 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 as a sum of consecutive naturals, namely, 1252060719 + 1252060720.

It is an arithmetic number, because the mean of its divisors is an integer number (1252060720).

Almost surely, 2^2504121439 is an apocalyptic number.

2504121439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504121439 is an equidigital number, since it uses as much as digits as its factorization.

2504121439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2504121439 is about 50041.1974177277. The cubic root of 2504121439 is about 1357.9542192671.

The spelling of 2504121439 in words is "two billion, five hundred four million, one hundred twenty-one thousand, four hundred thirty-nine".