25869536966 has 48 divisors (see below), whose sum is σ = 48792018240. Its totient is φ = 10196202240.

The previous prime is 25869536941. The next prime is 25869536993. The reversal of 25869536966 is 66963596852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307790 + ... + 382718.

It is an arithmetic number, because the mean of its divisors is an integer number (1016500380).

Almost surely, 2^25869536966 is an apocalyptic number.

25869536966 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25869536966 is a deficient number, since it is larger than the sum of its proper divisors (22922481274).

25869536966 is a wasteful number, since it uses less digits than its factorization.

25869536966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75229 (or 75222 counting only the distinct ones).

The product of its digits is 125971200, while the sum is 65.

The spelling of 25869536966 in words is "twenty-five billion, eight hundred sixty-nine million, five hundred thirty-six thousand, nine hundred sixty-six".