63344863504 has 40 divisors (see below), whose sum is σ = 132856404632. Its totient is φ = 29084590080.

The previous prime is 63344863487. The next prime is 63344863507. The reversal of 63344863504 is 40536844336.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10144518400 + 53200345104 = 100720^2 + 230652^2 .

It is not an unprimeable number, because it can be changed into a prime (63344863507) 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, 748827 + ... + 829114.

Almost surely, 2^63344863504 is an apocalyptic number.

It is an amenable number.

63344863504 is an abundant number, since it is smaller than the sum of its proper divisors (69511541128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63344863504 is a wasteful number, since it uses less digits than its factorization.

63344863504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578155 (or 1578149 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 63344863504 in words is "sixty-three billion, three hundred forty-four million, eight hundred sixty-three thousand, five hundred four".