616944800579 has 2 divisors, whose sum is σ = 616944800580. Its totient is φ = 616944800578.

The previous prime is 616944800573. The next prime is 616944800599. The reversal of 616944800579 is 975008449616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616944800579 - 2¹² = 616944796483 is a prime.

It is a super-2 number, since 2×616944800579² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616944800573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308472400289 + 308472400290.

It is an arithmetic number, because the mean of its divisors is an integer number (308472400290).

Almost surely, 2^616944800579 is an apocalyptic number.

616944800579 is a deficient number, since it is larger than the sum of its proper divisors (1).

616944800579 is an equidigital number, since it uses as much as digits as its factorization.

616944800579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 616944800579 in words is "six hundred sixteen billion, nine hundred forty-four million, eight hundred thousand, five hundred seventy-nine".