25133785338 has 8 divisors (see below), whose sum is σ = 50267570688. Its totient is φ = 8377928444.

The previous prime is 25133785291. The next prime is 25133785361. The reversal of 25133785338 is 83358733152.

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

25133785338 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094482106 + ... + 2094482117.

It is an arithmetic number, because the mean of its divisors is an integer number (6283446336).

Almost surely, 2^25133785338 is an apocalyptic number.

25133785338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25133785338 is a wasteful number, since it uses less digits than its factorization.

25133785338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188964228.

The product of its digits is 1814400, while the sum is 48.

The spelling of 25133785338 in words is "twenty-five billion, one hundred thirty-three million, seven hundred eighty-five thousand, three hundred thirty-eight".