63376406525 has 6 divisors (see below), whose sum is σ = 78586744122. Its totient is φ = 50701125200.

The previous prime is 63376406519. The next prime is 63376406531. The reversal of 63376406525 is 52560467336.

It is an interprime number because it is at equal distance from previous prime (63376406519) and next prime (63376406531).

It can be written as a sum of positive squares in 3 ways, for example, as 504855961 + 62871550564 = 22469^2 + 250742^2 .

It is not a de Polignac number, because 63376406525 - 2⁶ = 63376406461 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 63376406525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1267528106 + ... + 1267528155.

It is an arithmetic number, because the mean of its divisors is an integer number (13097790687).

Almost surely, 2^63376406525 is an apocalyptic number.

It is an amenable number.

63376406525 is a deficient number, since it is larger than the sum of its proper divisors (15210337597).

63376406525 is a wasteful number, since it uses less digits than its factorization.

63376406525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535056271 (or 2535056266 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 47.

The spelling of 63376406525 in words is "sixty-three billion, three hundred seventy-six million, four hundred six thousand, five hundred twenty-five".