2504051689 has 2 divisors, whose sum is σ = 2504051690. Its totient is φ = 2504051688.

The previous prime is 2504051663. The next prime is 2504051707. The reversal of 2504051689 is 9861504052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2420640000 + 83411689 = 49200^2 + 9133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2504051689 - 2⁵ = 2504051657 is a prime.

It is a super-2 number, since 2×2504051689² = 12540549722367505442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2504051089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252025844 + 1252025845.

It is an arithmetic number, because the mean of its divisors is an integer number (1252025845).

Almost surely, 2^2504051689 is an apocalyptic number.

It is an amenable number.

2504051689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504051689 is an equidigital number, since it uses as much as digits as its factorization.

2504051689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2504051689 is about 50040.5004871054. The cubic root of 2504051689 is about 1357.9416109614.

It can be divided in two parts, 25040 and 51689, that added together give a square (76729 = 277²).

The spelling of 2504051689 in words is "two billion, five hundred four million, fifty-one thousand, six hundred eighty-nine".