25750364009 has 2 divisors, whose sum is σ = 25750364010. Its totient is φ = 25750364008.

The previous prime is 25750363979. The next prime is 25750364039. The reversal of 25750364009 is 90046305752.

It is a balanced prime because it is at equal distance from previous prime (25750363979) and next prime (25750364039).

It can be written as a sum of positive squares in only one way, i.e., 25673011984 + 77352025 = 160228^2 + 8795^2 .

It is a cyclic number.

It is not a de Polignac number, because 25750364009 - 2²⁰ = 25749315433 is a prime.

It is not a weakly prime, because it can be changed into another prime (25750364039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12875182004 + 12875182005.

It is an arithmetic number, because the mean of its divisors is an integer number (12875182005).

Almost surely, 2^25750364009 is an apocalyptic number.

It is an amenable number.

25750364009 is a deficient number, since it is larger than the sum of its proper divisors (1).

25750364009 is an equidigital number, since it uses as much as digits as its factorization.

25750364009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 25750364009 in words is "twenty-five billion, seven hundred fifty million, three hundred sixty-four thousand, nine".