613882969057 has 2 divisors, whose sum is σ = 613882969058. Its totient is φ = 613882969056.

The previous prime is 613882969039. The next prime is 613882969187. The reversal of 613882969057 is 750969288316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546304287376 + 67578681681 = 739124^2 + 259959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613882969057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613882969057.

It is not a weakly prime, because it can be changed into another prime (613882919057) 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, 306941484528 + 306941484529.

It is an arithmetic number, because the mean of its divisors is an integer number (306941484529).

Almost surely, 2^613882969057 is an apocalyptic number.

It is an amenable number.

613882969057 is a deficient number, since it is larger than the sum of its proper divisors (1).

613882969057 is an equidigital number, since it uses as much as digits as its factorization.

613882969057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 613882969057 in words is "six hundred thirteen billion, eight hundred eighty-two million, nine hundred sixty-nine thousand, fifty-seven".