63394404682 has 16 divisors (see below), whose sum is σ = 108722286720. Its totient is φ = 27157489488.

The previous prime is 63394404677. The next prime is 63394404691. The reversal of 63394404682 is 28640449336.

63394404682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63394404682² (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 7 ways as a sum of consecutive naturals, for example, 927582 + ... + 993577.

It is an arithmetic number, because the mean of its divisors is an integer number (6795142920).

Almost surely, 2^63394404682 is an apocalyptic number.

63394404682 is a deficient number, since it is larger than the sum of its proper divisors (45327882038).

63394404682 is a wasteful number, since it uses less digits than its factorization.

63394404682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923525.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 63394404682 in words is "sixty-three billion, three hundred ninety-four million, four hundred four thousand, six hundred eighty-two".