2504122409 has 2 divisors, whose sum is σ = 2504122410. Its totient is φ = 2504122408.

The previous prime is 2504122403. The next prime is 2504122477. The reversal of 2504122409 is 9042214052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2322950809 + 181171600 = 48197^2 + 13460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504122409 - 2¹² = 2504118313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2504122403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252061204 + 1252061205.

It is an arithmetic number, because the mean of its divisors is an integer number (1252061205).

Almost surely, 2^2504122409 is an apocalyptic number.

It is an amenable number.

2504122409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504122409 is an equidigital number, since it uses as much as digits as its factorization.

2504122409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2504122409 is about 50041.2071097411. The cubic root of 2504122409 is about 1357.9543946068.

The spelling of 2504122409 in words is "two billion, five hundred four million, one hundred twenty-two thousand, four hundred nine".