25213745570 has 32 divisors (see below), whose sum is σ = 48954991680. Its totient is φ = 9294621120.

The previous prime is 25213745539. The next prime is 25213745593. The reversal of 25213745570 is 7554731252.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76196 + ... + 237135.

It is an arithmetic number, because the mean of its divisors is an integer number (1529843490).

Almost surely, 2^25213745570 is an apocalyptic number.

25213745570 is a deficient number, since it is larger than the sum of its proper divisors (23741246110).

25213745570 is a wasteful number, since it uses less digits than its factorization.

25213745570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313970.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 25213745570 in words is "twenty-five billion, two hundred thirteen million, seven hundred forty-five thousand, five hundred seventy".