25008868673 has 4 divisors (see below), whose sum is σ = 25009786800. Its totient is φ = 25007950548.

The previous prime is 25008868667. The next prime is 25008868679. The reversal of 25008868673 is 37686880052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25008868667) and next prime (25008868679).

It is a cyclic number.

It is not a de Polignac number, because 25008868673 - 2⁶ = 25008868609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25008868679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416915 + ... + 473112.

It is an arithmetic number, because the mean of its divisors is an integer number (6252446700).

Almost surely, 2^25008868673 is an apocalyptic number.

It is an amenable number.

25008868673 is a deficient number, since it is larger than the sum of its proper divisors (918127).

25008868673 is an equidigital number, since it uses as much as digits as its factorization.

25008868673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918126.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 25008868673 in words is "twenty-five billion, eight million, eight hundred sixty-eight thousand, six hundred seventy-three".