25450754823 has 16 divisors (see below), whose sum is σ = 40605193440. Its totient is φ = 15662002752.

The previous prime is 25450754807. The next prime is 25450754827. The reversal of 25450754823 is 32845705452.

25450754823 is a `hidden beast` number, since 2 + 54 + 50 + 7 + 548 + 2 + 3 = 666.

It is not a de Polignac number, because 25450754823 - 2⁴ = 25450754807 is a prime.

It is a super-2 number, since 2×25450754823² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25450754827) 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, 36254286 + ... + 36254987.

It is an arithmetic number, because the mean of its divisors is an integer number (2537824590).

Almost surely, 2^25450754823 is an apocalyptic number.

25450754823 is a deficient number, since it is larger than the sum of its proper divisors (15154438617).

25450754823 is a wasteful number, since it uses less digits than its factorization.

25450754823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72509295 (or 72509289 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

The spelling of 25450754823 in words is "twenty-five billion, four hundred fifty million, seven hundred fifty-four thousand, eight hundred twenty-three".