63707993234 has 16 divisors (see below), whose sum is σ = 98554334208. Its totient is φ = 30868214832.

The previous prime is 63707993233. The next prime is 63707993249. The reversal of 63707993234 is 43239970736.

63707993234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63707993233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905577 + ... + 2927420.

It is an arithmetic number, because the mean of its divisors is an integer number (6159645888).

Almost surely, 2^63707993234 is an apocalyptic number.

63707993234 is a deficient number, since it is larger than the sum of its proper divisors (34846340974).

63707993234 is a wasteful number, since it uses less digits than its factorization.

63707993234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833169.

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

The spelling of 63707993234 in words is "sixty-three billion, seven hundred seven million, nine hundred ninety-three thousand, two hundred thirty-four".