25025426663 has 8 divisors (see below), whose sum is σ = 25891818480. Its totient is φ = 24159264640.

The previous prime is 25025426653. The next prime is 25025426693. The reversal of 25025426663 is 36662452052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25025426663 - 2¹⁰ = 25025425639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25025426663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025426653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180956 + ... + 287742.

It is an arithmetic number, because the mean of its divisors is an integer number (3236477310).

Almost surely, 2^25025426663 is an apocalyptic number.

25025426663 is a deficient number, since it is larger than the sum of its proper divisors (866391817).

25025426663 is a wasteful number, since it uses less digits than its factorization.

25025426663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114897.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 25025426663 in words is "twenty-five billion, twenty-five million, four hundred twenty-six thousand, six hundred sixty-three".