646324061033159 has 2 divisors, whose sum is σ = 646324061033160. Its totient is φ = 646324061033158.

The previous prime is 646324061033039. The next prime is 646324061033177. The reversal of 646324061033159 is 951330160423646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-646324061033159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 646324061033159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (646324061039159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323162030516579 + 323162030516580.

It is an arithmetic number, because the mean of its divisors is an integer number (323162030516580).

Almost surely, 2^{646324061033159} is an apocalyptic number.

646324061033159 is a deficient number, since it is larger than the sum of its proper divisors (1).

646324061033159 is an equidigital number, since it uses as much as digits as its factorization.

646324061033159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 646324061033159 in words is "six hundred forty-six trillion, three hundred twenty-four billion, sixty-one million, thirty-three thousand, one hundred fifty-nine".