613374691 has 2 divisors, whose sum is σ = 613374692. Its totient is φ = 613374690.

The previous prime is 613374667. The next prime is 613374721. The reversal of 613374691 is 196473316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613374691 - 2⁵ = 613374659 is a prime.

It is a Chen prime.

It is equal to p_31986427 and since 613374691 and 31986427 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (613374191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306687345 + 306687346.

It is an arithmetic number, because the mean of its divisors is an integer number (306687346).

Almost surely, 2^613374691 is an apocalyptic number.

613374691 is a deficient number, since it is larger than the sum of its proper divisors (1).

613374691 is an equidigital number, since it uses as much as digits as its factorization.

613374691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 613374691 is about 24766.4024638218. The cubic root of 613374691 is about 849.6536956071.

The spelling of 613374691 in words is "six hundred thirteen million, three hundred seventy-four thousand, six hundred ninety-one".