613326610109 has 2 divisors, whose sum is σ = 613326610110. Its totient is φ = 613326610108.

The previous prime is 613326610087. The next prime is 613326610151. The reversal of 613326610109 is 901016623316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377514394084 + 235812216025 = 614422^2 + 485605^2 .

It is a cyclic number.

It is not a de Polignac number, because 613326610109 - 2¹⁶ = 613326544573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613326610159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306663305054 + 306663305055.

It is an arithmetic number, because the mean of its divisors is an integer number (306663305055).

Almost surely, 2^613326610109 is an apocalyptic number.

It is an amenable number.

613326610109 is a deficient number, since it is larger than the sum of its proper divisors (1).

613326610109 is an equidigital number, since it uses as much as digits as its factorization.

613326610109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 613326610109 in words is "six hundred thirteen billion, three hundred twenty-six million, six hundred ten thousand, one hundred nine".