63044643336 has 16 divisors (see below), whose sum is σ = 157611608400. Its totient is φ = 21014881104.

The previous prime is 63044643329. The next prime is 63044643359. The reversal of 63044643336 is 63334644036.

It is a happy 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, 1313430046 + ... + 1313430093.

It is an arithmetic number, because the mean of its divisors is an integer number (9850725525).

Almost surely, 2^63044643336 is an apocalyptic number.

It is an amenable number.

63044643336 is an abundant number, since it is smaller than the sum of its proper divisors (94566965064).

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

63044643336 is a wasteful number, since it uses less digits than its factorization.

63044643336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626860148 (or 2626860144 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 42.

The spelling of 63044643336 in words is "sixty-three billion, forty-four million, six hundred forty-three thousand, three hundred thirty-six".