344661013 has 2 divisors, whose sum is σ = 344661014. Its totient is φ = 344661012.

The previous prime is 344660999. The next prime is 344661019. The reversal of 344661013 is 310166443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178302609 + 166358404 = 13353^2 + 12898^2 .

It is a cyclic number.

It is not a de Polignac number, because 344661013 - 2⁹ = 344660501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344661019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172330506 + 172330507.

It is an arithmetic number, because the mean of its divisors is an integer number (172330507).

Almost surely, 2^344661013 is an apocalyptic number.

It is an amenable number.

344661013 is a deficient number, since it is larger than the sum of its proper divisors (1).

344661013 is an equidigital number, since it uses as much as digits as its factorization.

344661013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 344661013 is about 18565.0481550682. The cubic root of 344661013 is about 701.1281217558.

The spelling of 344661013 in words is "three hundred forty-four million, six hundred sixty-one thousand, thirteen".