25392482669 has 2 divisors, whose sum is σ = 25392482670. Its totient is φ = 25392482668.

The previous prime is 25392482659. The next prime is 25392482677. The reversal of 25392482669 is 96628429352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23309655625 + 2082827044 = 152675^2 + 45638^2 .

It is a cyclic number.

It is not a de Polignac number, because 25392482669 - 2⁸ = 25392482413 is a prime.

It is a super-2 number, since 2×25392482669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25392482659) 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, 12696241334 + 12696241335.

It is an arithmetic number, because the mean of its divisors is an integer number (12696241335).

Almost surely, 2^25392482669 is an apocalyptic number.

It is an amenable number.

25392482669 is a deficient number, since it is larger than the sum of its proper divisors (1).

25392482669 is an equidigital number, since it uses as much as digits as its factorization.

25392482669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 56.

The spelling of 25392482669 in words is "twenty-five billion, three hundred ninety-two million, four hundred eighty-two thousand, six hundred sixty-nine".