613326893 has 2 divisors, whose sum is σ = 613326894. Its totient is φ = 613326892.

The previous prime is 613326881. The next prime is 613326899. The reversal of 613326893 is 398623316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483868009 + 129458884 = 21997^2 + 11378^2 .

It is a cyclic number.

It is not a de Polignac number, because 613326893 - 2⁴ = 613326877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 613326893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613326899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306663446 + 306663447.

It is an arithmetic number, because the mean of its divisors is an integer number (306663447).

Almost surely, 2^613326893 is an apocalyptic number.

It is an amenable number.

613326893 is a deficient number, since it is larger than the sum of its proper divisors (1).

613326893 is an equidigital number, since it uses as much as digits as its factorization.

613326893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 613326893 is about 24765.4374683752. The cubic root of 613326893 is about 849.6316249202.

The spelling of 613326893 in words is "six hundred thirteen million, three hundred twenty-six thousand, eight hundred ninety-three".