25418274273 has 48 divisors (see below), whose sum is σ = 42621935616. Its totient is φ = 14296393440.

The previous prime is 25418274229. The next prime is 25418274289. The reversal of 25418274273 is 37247281452.

25418274273 is a `hidden beast` number, since 2 + 541 + 82 + 7 + 4 + 27 + 3 = 666.

It is not a de Polignac number, because 25418274273 - 2¹⁶ = 25418208737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25418274773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2889640 + ... + 2898422.

It is an arithmetic number, because the mean of its divisors is an integer number (887956992).

Almost surely, 2^25418274273 is an apocalyptic number.

It is an amenable number.

25418274273 is a deficient number, since it is larger than the sum of its proper divisors (17203661343).

25418274273 is a wasteful number, since it uses less digits than its factorization.

25418274273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514 (or 9511 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

It can be divided in two parts, 254182 and 74273, that added together give a triangular number (328455 = T₈₁₀).

The spelling of 25418274273 in words is "twenty-five billion, four hundred eighteen million, two hundred seventy-four thousand, two hundred seventy-three".