643007114107 has 2 divisors, whose sum is σ = 643007114108. Its totient is φ = 643007114106.

The previous prime is 643007114083. The next prime is 643007114179. The reversal of 643007114107 is 701411700346.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-643007114107 is a prime.

It is not a weakly prime, because it can be changed into another prime (643007114207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321503557053 + 321503557054.

It is an arithmetic number, because the mean of its divisors is an integer number (321503557054).

Almost surely, 2^643007114107 is an apocalyptic number.

643007114107 is a deficient number, since it is larger than the sum of its proper divisors (1).

643007114107 is an equidigital number, since it uses as much as digits as its factorization.

643007114107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 643007114107 in words is "six hundred forty-three billion, seven million, one hundred fourteen thousand, one hundred seven".