25994462763 has 16 divisors (see below), whose sum is σ = 35168849280. Its totient is φ = 17075329344.

The previous prime is 25994462749. The next prime is 25994462773. The reversal of 25994462763 is 36726449952.

It is not a de Polignac number, because 25994462763 - 2²² = 25990268459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25994462773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164920 + ... + 281402.

It is an arithmetic number, because the mean of its divisors is an integer number (2198053080).

Almost surely, 2^25994462763 is an apocalyptic number.

25994462763 is a deficient number, since it is larger than the sum of its proper divisors (9174386517).

25994462763 is a wasteful number, since it uses less digits than its factorization.

25994462763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117578.

The product of its digits is 19595520, while the sum is 57.

The spelling of 25994462763 in words is "twenty-five billion, nine hundred ninety-four million, four hundred sixty-two thousand, seven hundred sixty-three".