613545552643 has 2 divisors, whose sum is σ = 613545552644. Its totient is φ = 613545552642.

The previous prime is 613545552611. The next prime is 613545552661. The reversal of 613545552643 is 346255545316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613545552643 - 2⁵ = 613545552611 is a prime.

It is not a weakly prime, because it can be changed into another prime (613545552673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306772776321 + 306772776322.

It is an arithmetic number, because the mean of its divisors is an integer number (306772776322).

Almost surely, 2^613545552643 is an apocalyptic number.

613545552643 is a deficient number, since it is larger than the sum of its proper divisors (1).

613545552643 is an equidigital number, since it uses as much as digits as its factorization.

613545552643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480000, while the sum is 49.

The spelling of 613545552643 in words is "six hundred thirteen billion, five hundred forty-five million, five hundred fifty-two thousand, six hundred forty-three".