25952746069 has 4 divisors (see below), whose sum is σ = 25959781120. Its totient is φ = 25945711020.

The previous prime is 25952745899. The next prime is 25952746093. The reversal of 25952746069 is 96064725952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25952746069 - 2²⁷ = 25818528341 is a prime.

It is a super-2 number, since 2×25952746069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25952746769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511989 + ... + 3519370.

It is an arithmetic number, because the mean of its divisors is an integer number (6489945280).

Almost surely, 2^25952746069 is an apocalyptic number.

It is an amenable number.

25952746069 is a deficient number, since it is larger than the sum of its proper divisors (7035051).

25952746069 is an equidigital number, since it uses as much as digits as its factorization.

25952746069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035050.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 25952746069 in words is "twenty-five billion, nine hundred fifty-two million, seven hundred forty-six thousand, sixty-nine".