613660645327 has 2 divisors, whose sum is σ = 613660645328. Its totient is φ = 613660645326.

The previous prime is 613660645313. The next prime is 613660645337. The reversal of 613660645327 is 723546066316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613660645327 - 2¹⁵ = 613660612559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613660645337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306830322663 + 306830322664.

It is an arithmetic number, because the mean of its divisors is an integer number (306830322664).

Almost surely, 2^613660645327 is an apocalyptic number.

613660645327 is a deficient number, since it is larger than the sum of its proper divisors (1).

613660645327 is an equidigital number, since it uses as much as digits as its factorization.

613660645327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 613660645327 in words is "six hundred thirteen billion, six hundred sixty million, six hundred forty-five thousand, three hundred twenty-seven".