613520117263 has 2 divisors, whose sum is σ = 613520117264. Its totient is φ = 613520117262.

The previous prime is 613520117251. The next prime is 613520117269. The reversal of 613520117263 is 362711025316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613520117263 is a prime.

It is a super-2 number, since 2×613520117263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613520117269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306760058631 + 306760058632.

It is an arithmetic number, because the mean of its divisors is an integer number (306760058632).

Almost surely, 2^613520117263 is an apocalyptic number.

613520117263 is a deficient number, since it is larger than the sum of its proper divisors (1).

613520117263 is an equidigital number, since it uses as much as digits as its factorization.

613520117263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 613520117263 in words is "six hundred thirteen billion, five hundred twenty million, one hundred seventeen thousand, two hundred sixty-three".