25993508973 has 8 divisors (see below), whose sum is σ = 34930910208. Its totient is φ = 17192556864.

The previous prime is 25993508969. The next prime is 25993509029. The reversal of 25993508973 is 37980539952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25993508973 - 2² = 25993508969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25993508273) 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, 34111836 + ... + 34112597.

It is an arithmetic number, because the mean of its divisors is an integer number (4366363776).

Almost surely, 2^25993508973 is an apocalyptic number.

It is an amenable number.

25993508973 is a deficient number, since it is larger than the sum of its proper divisors (8937401235).

25993508973 is a wasteful number, since it uses less digits than its factorization.

25993508973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68224563.

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 25993508973 in words is "twenty-five billion, nine hundred ninety-three million, five hundred eight thousand, nine hundred seventy-three".