63726916834 has 32 divisors (see below), whose sum is σ = 111109211136. Its totient is φ = 26849668560.

The previous prime is 63726916829. The next prime is 63726916843. The reversal of 63726916834 is 43861962736.

It is a super-2 number, since 2×63726916834² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33867 + ... + 358609.

It is an arithmetic number, because the mean of its divisors is an integer number (3472162848).

Almost surely, 2^63726916834 is an apocalyptic number.

63726916834 is a deficient number, since it is larger than the sum of its proper divisors (47382294302).

63726916834 is a wasteful number, since it uses less digits than its factorization.

63726916834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324990.

The product of its digits is 7838208, while the sum is 55.

The spelling of 63726916834 in words is "sixty-three billion, seven hundred twenty-six million, nine hundred sixteen thousand, eight hundred thirty-four".