25472653803 has 12 divisors (see below), whose sum is σ = 36926666608. Its totient is φ = 16920461520.

The previous prime is 25472653763. The next prime is 25472653823. The reversal of 25472653803 is 30835627452.

25472653803 is a `hidden beast` number, since 2 + 5 + 4 + 7 + 265 + 380 + 3 = 666.

It is not a de Polignac number, because 25472653803 - 2²⁴ = 25455876587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25472653823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5106343 + ... + 5111328.

Almost surely, 2^25472653803 is an apocalyptic number.

25472653803 is a deficient number, since it is larger than the sum of its proper divisors (11454012805).

25472653803 is a wasteful number, since it uses less digits than its factorization.

25472653803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217954 (or 10217951 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 25472653803 in words is "twenty-five billion, four hundred seventy-two million, six hundred fifty-three thousand, eight hundred three".