25873421204 has 24 divisors (see below), whose sum is σ = 45557896608. Its totient is φ = 12856938080.

The previous prime is 25873421179. The next prime is 25873421207. The reversal of 25873421204 is 40212437852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25873421207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310539 + ... + 2321709.

It is an arithmetic number, because the mean of its divisors is an integer number (1898245692).

Almost surely, 2^25873421204 is an apocalyptic number.

It is an amenable number.

25873421204 is a deficient number, since it is larger than the sum of its proper divisors (19684475404).

25873421204 is a wasteful number, since it uses less digits than its factorization.

25873421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14695 (or 14693 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 25873421204 in words is "twenty-five billion, eight hundred seventy-three million, four hundred twenty-one thousand, two hundred four".