25139091273 has 16 divisors (see below), whose sum is σ = 35441172480. Its totient is φ = 15806114064.

The previous prime is 25139091251. The next prime is 25139091277. The reversal of 25139091273 is 37219093152.

It is not a de Polignac number, because 25139091273 - 2⁶ = 25139091209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25139091277) 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 15 ways as a sum of consecutive naturals, for example, 976161 + ... + 1001582.

It is an arithmetic number, because the mean of its divisors is an integer number (2215073280).

Almost surely, 2^25139091273 is an apocalyptic number.

It is an amenable number.

25139091273 is a deficient number, since it is larger than the sum of its proper divisors (10302081207).

25139091273 is a wasteful number, since it uses less digits than its factorization.

25139091273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977988.

The product of its (nonzero) digits is 102060, while the sum is 42.

The spelling of 25139091273 in words is "twenty-five billion, one hundred thirty-nine million, ninety-one thousand, two hundred seventy-three".