63519023867912 has 8 divisors (see below), whose sum is σ = 119098169752350. Its totient is φ = 31759511933952.

The previous prime is 63519023867899. The next prime is 63519023867921. The reversal of 63519023867912 is 21976832091536.

It can be written as a sum of positive squares in only one way, i.e., 53403736221796 + 10115287646116 = 7307786^2 + 3180454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3969938991737 + ... + 3969938991752.

Almost surely, 2^{63519023867912} is an apocalyptic number.

It is an amenable number.

63519023867912 is a deficient number, since it is larger than the sum of its proper divisors (55579145884438).

63519023867912 is a wasteful number, since it uses less digits than its factorization.

63519023867912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939877983495 (or 7939877983491 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 63519023867912 in words is "sixty-three trillion, five hundred nineteen billion, twenty-three million, eight hundred sixty-seven thousand, nine hundred twelve".