2617930655993 has 2 divisors, whose sum is σ = 2617930655994. Its totient is φ = 2617930655992.

The previous prime is 2617930655953. The next prime is 2617930656001. The reversal of 2617930655993 is 3995560397162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2616021577744 + 1909078249 = 1617412^2 + 43693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2617930655993 - 2⁸ = 2617930655737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2617930655953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308965327996 + 1308965327997.

It is an arithmetic number, because the mean of its divisors is an integer number (1308965327997).

Almost surely, 2^{2617930655993} is an apocalyptic number.

It is an amenable number.

2617930655993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2617930655993 is an equidigital number, since it uses as much as digits as its factorization.

2617930655993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82668600, while the sum is 65.

The spelling of 2617930655993 in words is "two trillion, six hundred seventeen billion, nine hundred thirty million, six hundred fifty-five thousand, nine hundred ninety-three".