63773392940 has 12 divisors (see below), whose sum is σ = 133924125216. Its totient is φ = 25509357168.

The previous prime is 63773392937. The next prime is 63773392951. The reversal of 63773392940 is 4929337736.

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, 1594334804 + ... + 1594334843.

It is an arithmetic number, because the mean of its divisors is an integer number (11160343768).

Almost surely, 2^63773392940 is an apocalyptic number.

It is an amenable number.

63773392940 is an abundant number, since it is smaller than the sum of its proper divisors (70150732276).

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

63773392940 is a wasteful number, since it uses less digits than its factorization.

63773392940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188669656 (or 3188669654 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 63773392940 in words is "sixty-three billion, seven hundred seventy-three million, three hundred ninety-two thousand, nine hundred forty".