616573866443 has 2 divisors, whose sum is σ = 616573866444. Its totient is φ = 616573866442.

The previous prime is 616573866353. The next prime is 616573866563. The reversal of 616573866443 is 344668375616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616573866443 - 2³⁶ = 547854389707 is a prime.

It is not a weakly prime, because it can be changed into another prime (616573866343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308286933221 + 308286933222.

It is an arithmetic number, because the mean of its divisors is an integer number (308286933222).

Almost surely, 2^616573866443 is an apocalyptic number.

616573866443 is a deficient number, since it is larger than the sum of its proper divisors (1).

616573866443 is an equidigital number, since it uses as much as digits as its factorization.

616573866443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52254720, while the sum is 59.

The spelling of 616573866443 in words is "six hundred sixteen billion, five hundred seventy-three million, eight hundred sixty-six thousand, four hundred forty-three".