25732874133 has 12 divisors (see below), whose sum is σ = 37333453248. Its totient is φ = 17079674280.

The previous prime is 25732874117. The next prime is 25732874197. The reversal of 25732874133 is 33147823752.

It is a happy number.

25732874133 is a `hidden beast` number, since 2 + 573 + 2 + 8 + 7 + 41 + 33 = 666.

It is not a de Polignac number, because 25732874133 - 2⁴ = 25732874117 is a prime.

It is a super-2 number, since 2×25732874133² (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 (25732874633) 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, 6295773 + ... + 6299858.

It is an arithmetic number, because the mean of its divisors is an integer number (3111121104).

Almost surely, 2^25732874133 is an apocalyptic number.

It is an amenable number.

25732874133 is a deficient number, since it is larger than the sum of its proper divisors (11600579115).

25732874133 is a wasteful number, since it uses less digits than its factorization.

25732874133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12595864 (or 12595861 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 25732874133 in words is "twenty-five billion, seven hundred thirty-two million, eight hundred seventy-four thousand, one hundred thirty-three".