25424962806663 has 96 divisors (see below), whose sum is σ = 43134078873600. Its totient is φ = 14131242747648.

The previous prime is 25424962806631. The next prime is 25424962806673. The reversal of 25424962806663 is 36660826942452.

It is a happy number.

It is not a de Polignac number, because 25424962806663 - 2⁵ = 25424962806631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 25424962806663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25424962806673) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 230078658 + ... + 230189136.

It is an arithmetic number, because the mean of its divisors is an integer number (449313321600).

Almost surely, 2^{25424962806663} is an apocalyptic number.

25424962806663 is a deficient number, since it is larger than the sum of its proper divisors (17709116066937).

25424962806663 is a wasteful number, since it uses less digits than its factorization.

25424962806663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111141 (or 111138 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 63.

The spelling of 25424962806663 in words is "twenty-five trillion, four hundred twenty-four billion, nine hundred sixty-two million, eight hundred six thousand, six hundred sixty-three".