25573465090 has 16 divisors (see below), whose sum is σ = 46506798072. Its totient is φ = 10123928064.

The previous prime is 25573465087. The next prime is 25573465117. The reversal of 25573465090 is 9056437552.

It can be written as a sum of positive squares in 4 ways, for example, as 19312382961 + 6261082129 = 138969^2 + 79127^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25573465090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13181229 + ... + 13183168.

Almost surely, 2^25573465090 is an apocalyptic number.

25573465090 is a deficient number, since it is larger than the sum of its proper divisors (20933332982).

25573465090 is a wasteful number, since it uses less digits than its factorization.

25573465090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364501.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 25573465090 in words is "twenty-five billion, five hundred seventy-three million, four hundred sixty-five thousand, ninety".