63225306857684 has 12 divisors (see below), whose sum is σ = 110646802123284. Its totient is φ = 31611934822464.

The previous prime is 63225306857627. The next prime is 63225306857701. The reversal of 63225306857684 is 48675860352236.

It can be written as a sum of positive squares in 2 ways, for example, as 23698183414084 + 39527123443600 = 4868078^2 + 6287060^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63225306857684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179453609 + ... + 179805584.

It is an arithmetic number, because the mean of its divisors is an integer number (9220566843607).

Almost surely, 2^{63225306857684} is an apocalyptic number.

It is an amenable number.

63225306857684 is a deficient number, since it is larger than the sum of its proper divisors (47421495265600).

63225306857684 is a wasteful number, since it uses less digits than its factorization.

63225306857684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359303194 (or 359303192 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 65.

The spelling of 63225306857684 in words is "sixty-three trillion, two hundred twenty-five billion, three hundred six million, eight hundred fifty-seven thousand, six hundred eighty-four".