643030119056 has 40 divisors (see below), whose sum is σ = 1357872257280. Its totient is φ = 293207423616.

The previous prime is 643030119047. The next prime is 643030119073. The reversal of 643030119056 is 650911030346.

643030119056 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 2×643030119056² (a number of 24 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, 18606176 + ... + 18640703.

It is an arithmetic number, because the mean of its divisors is an integer number (33946806432).

Almost surely, 2^643030119056 is an apocalyptic number.

It is an amenable number.

643030119056 is an abundant number, since it is smaller than the sum of its proper divisors (714842138224).

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

643030119056 is a wasteful number, since it uses less digits than its factorization.

643030119056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37246983 (or 37246977 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 643030119056 in words is "six hundred forty-three billion, thirty million, one hundred nineteen thousand, fifty-six".