25256263773 has 16 divisors (see below), whose sum is σ = 36268500800. Its totient is φ = 15540989184.

The previous prime is 25256263727. The next prime is 25256263777. The reversal of 25256263773 is 37736265252.

It is not a de Polignac number, because 25256263773 - 2⁶ = 25256263709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25256263777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637653 + ... + 676101.

It is an arithmetic number, because the mean of its divisors is an integer number (2266781300).

Almost surely, 2^25256263773 is an apocalyptic number.

It is an amenable number.

25256263773 is a deficient number, since it is larger than the sum of its proper divisors (11012237027).

25256263773 is a wasteful number, since it uses less digits than its factorization.

25256263773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55308.

The product of its digits is 3175200, while the sum is 48.

The spelling of 25256263773 in words is "twenty-five billion, two hundred fifty-six million, two hundred sixty-three thousand, seven hundred seventy-three".