646243330011007 has 2 divisors, whose sum is σ = 646243330011008. Its totient is φ = 646243330011006.

The previous prime is 646243330010909. The next prime is 646243330011023. The reversal of 646243330011007 is 700110033342646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 646243330011007 - 2⁴³ = 637447236988799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (646243330011107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323121665005503 + 323121665005504.

It is an arithmetic number, because the mean of its divisors is an integer number (323121665005504).

Almost surely, 2^{646243330011007} is an apocalyptic number.

646243330011007 is a deficient number, since it is larger than the sum of its proper divisors (1).

646243330011007 is an equidigital number, since it uses as much as digits as its factorization.

646243330011007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 646243330011007 in words is "six hundred forty-six trillion, two hundred forty-three billion, three hundred thirty million, eleven thousand, seven".