616376145422329 has 2 divisors, whose sum is σ = 616376145422330. Its totient is φ = 616376145422328.

The previous prime is 616376145422249. The next prime is 616376145422333. The reversal of 616376145422329 is 923224541673616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419719135754304 + 196657009668025 = 20487048^2 + 14023445^2 .

It is a cyclic number.

It is not a de Polignac number, because 616376145422329 - 2²⁵ = 616376111867897 is a prime.

It is not a weakly prime, because it can be changed into another prime (616376145422629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308188072711164 + 308188072711165.

It is an arithmetic number, because the mean of its divisors is an integer number (308188072711165).

Almost surely, 2^{616376145422329} is an apocalyptic number.

It is an amenable number.

616376145422329 is a deficient number, since it is larger than the sum of its proper divisors (1).

616376145422329 is an equidigital number, since it uses as much as digits as its factorization.

616376145422329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 61.

The spelling of 616376145422329 in words is "six hundred sixteen trillion, three hundred seventy-six billion, one hundred forty-five million, four hundred twenty-two thousand, three hundred twenty-nine".