25060021793 has 4 divisors (see below), whose sum is σ = 26534140740. Its totient is φ = 23585902848.

The previous prime is 25060021781. The next prime is 25060021843. The reversal of 25060021793 is 39712006052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13350184849 + 11709836944 = 115543^2 + 108212^2 .

It is a cyclic number.

It is not a de Polignac number, because 25060021793 - 2⁸ = 25060021537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25060021093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737059448 + ... + 737059481.

It is an arithmetic number, because the mean of its divisors is an integer number (6633535185).

Almost surely, 2^25060021793 is an apocalyptic number.

It is an amenable number.

25060021793 is a deficient number, since it is larger than the sum of its proper divisors (1474118947).

25060021793 is a wasteful number, since it uses less digits than its factorization.

25060021793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474118946.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 25060021793 in words is "twenty-five billion, sixty million, twenty-one thousand, seven hundred ninety-three".