10643334463986 has 32 divisors (see below), whose sum is σ = 25112383623168. Its totient is φ = 2942857455120.

The previous prime is 10643334463973. The next prime is 10643334464051. The reversal of 10643334463986 is 68936443334601.

It is a happy number.

It is a super-2 number, since 2×10643334463986² (a number of 27 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, 4087300720 + ... + 4087303323.

It is an arithmetic number, because the mean of its divisors is an integer number (784761988224).

Almost surely, 2^{10643334463986} is an apocalyptic number.

10643334463986 is an abundant number, since it is smaller than the sum of its proper divisors (14469049159182).

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

10643334463986 is a wasteful number, since it uses less digits than its factorization.

10643334463986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174604086.

The product of its (nonzero) digits is 80621568, while the sum is 60.

The spelling of 10643334463986 in words is "ten trillion, six hundred forty-three billion, three hundred thirty-four million, four hundred sixty-three thousand, nine hundred eighty-six".