25010401663 has 16 divisors (see below), whose sum is σ = 27519186240. Its totient is φ = 22587611904.

The previous prime is 25010401657. The next prime is 25010401693. The reversal of 25010401663 is 36610401052.

It is not a de Polignac number, because 25010401663 - 2⁵ = 25010401631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25010401693) 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, 196795 + ... + 297907.

It is an arithmetic number, because the mean of its divisors is an integer number (1719949140).

Almost surely, 2^25010401663 is an apocalyptic number.

25010401663 is a deficient number, since it is larger than the sum of its proper divisors (2508784577).

25010401663 is a wasteful number, since it uses less digits than its factorization.

25010401663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101538.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 25010401663 in words is "twenty-five billion, ten million, four hundred one thousand, six hundred sixty-three".