344926613 has 2 divisors, whose sum is σ = 344926614. Its totient is φ = 344926612.

The previous prime is 344926601. The next prime is 344926619. The reversal of 344926613 is 316629443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220760164 + 124166449 = 14858^2 + 11143^2 .

It is a cyclic number.

It is not a de Polignac number, because 344926613 - 2⁸ = 344926357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344926619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172463306 + 172463307.

It is an arithmetic number, because the mean of its divisors is an integer number (172463307).

Almost surely, 2^344926613 is an apocalyptic number.

It is an amenable number.

344926613 is a deficient number, since it is larger than the sum of its proper divisors (1).

344926613 is an equidigital number, since it uses as much as digits as its factorization.

344926613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 344926613 is about 18572.2000043075. The cubic root of 344926613 is about 701.3081748207.

The spelling of 344926613 in words is "three hundred forty-four million, nine hundred twenty-six thousand, six hundred thirteen".