613812906907 has 2 divisors, whose sum is σ = 613812906908. Its totient is φ = 613812906906.

The previous prime is 613812906821. The next prime is 613812906937. The reversal of 613812906907 is 709609218316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613812906907 - 2⁷ = 613812906779 is a prime.

It is not a weakly prime, because it can be changed into another prime (613812906937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306906453453 + 306906453454.

It is an arithmetic number, because the mean of its divisors is an integer number (306906453454).

Almost surely, 2^613812906907 is an apocalyptic number.

613812906907 is a deficient number, since it is larger than the sum of its proper divisors (1).

613812906907 is an equidigital number, since it uses as much as digits as its factorization.

613812906907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 613812906907 in words is "six hundred thirteen billion, eight hundred twelve million, nine hundred six thousand, nine hundred seven".