25045010673 has 4 divisors (see below), whose sum is σ = 33393347568. Its totient is φ = 16696673780.

The previous prime is 25045010651. The next prime is 25045010681. The reversal of 25045010673 is 37601054052.

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 a cyclic number.

It is not a de Polignac number, because 25045010673 - 2⁶ = 25045010609 is a prime.

It is a super-2 number, since 2×25045010673² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25045010603) 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 3 ways as a sum of consecutive naturals, for example, 4174168443 + ... + 4174168448.

It is an arithmetic number, because the mean of its divisors is an integer number (8348336892).

Almost surely, 2^25045010673 is an apocalyptic number.

It is an amenable number.

25045010673 is a deficient number, since it is larger than the sum of its proper divisors (8348336895).

25045010673 is an equidigital number, since it uses as much as digits as its factorization.

25045010673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348336894.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 25045010673 in words is "twenty-five billion, forty-five million, ten thousand, six hundred seventy-three".