643060643034 has 8 divisors (see below), whose sum is σ = 1286121286080. Its totient is φ = 214353547676.

The previous prime is 643060642969. The next prime is 643060643143. The reversal of 643060643034 is 430346060346.

It is a sphenic number, since it is the product of 3 distinct primes.

643060643034 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 643060642983 and 643060643001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53588386914 + ... + 53588386925.

It is an arithmetic number, because the mean of its divisors is an integer number (160765160760).

Almost surely, 2^643060643034 is an apocalyptic number.

643060643034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

643060643034 is a wasteful number, since it uses less digits than its factorization.

643060643034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107176773844.

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 643060643034 in words is "six hundred forty-three billion, sixty million, six hundred forty-three thousand, thirty-four".