63793916007 has 4 divisors (see below), whose sum is σ = 85058554680. Its totient is φ = 42529277336.

The previous prime is 63793915979. The next prime is 63793916057. The reversal of 63793916007 is 70061939736.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63793916007 - 2⁶ = 63793915943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63793916057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10632319332 + ... + 10632319337.

It is an arithmetic number, because the mean of its divisors is an integer number (21264638670).

Almost surely, 2^63793916007 is an apocalyptic number.

63793916007 is a deficient number, since it is larger than the sum of its proper divisors (21264638673).

63793916007 is a wasteful number, since it uses less digits than its factorization.

63793916007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21264638672.

The product of its (nonzero) digits is 1285956, while the sum is 51.

The spelling of 63793916007 in words is "sixty-three billion, seven hundred ninety-three million, nine hundred sixteen thousand, seven".