346426013 has 2 divisors, whose sum is σ = 346426014. Its totient is φ = 346426012.

The previous prime is 346426007. The next prime is 346426027. The reversal of 346426013 is 310624643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270701209 + 75724804 = 16453^2 + 8702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346426013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346426063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173213006 + 173213007.

It is an arithmetic number, because the mean of its divisors is an integer number (173213007).

Almost surely, 2^346426013 is an apocalyptic number.

It is an amenable number.

346426013 is a deficient number, since it is larger than the sum of its proper divisors (1).

346426013 is an equidigital number, since it uses as much as digits as its factorization.

346426013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 346426013 is about 18612.5230154324. The cubic root of 346426013 is about 702.3229041565.

The spelling of 346426013 in words is "three hundred forty-six million, four hundred twenty-six thousand, thirteen".