63812019244 has 6 divisors (see below), whose sum is σ = 111671033684. Its totient is φ = 31906009620.

The previous prime is 63812019217. The next prime is 63812019287. The reversal of 63812019244 is 44291021836.

It is a junction number, because it is equal to n+sod(n) for n = 63812019197 and 63812019206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7976502402 + ... + 7976502409.

Almost surely, 2^63812019244 is an apocalyptic number.

It is an amenable number.

63812019244 is a deficient number, since it is larger than the sum of its proper divisors (47859014440).

63812019244 is a wasteful number, since it uses less digits than its factorization.

63812019244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15953004815 (or 15953004813 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 63812019244 in words is "sixty-three billion, eight hundred twelve million, nineteen thousand, two hundred forty-four".