346138401263 has 2 divisors, whose sum is σ = 346138401264. Its totient is φ = 346138401262.

The previous prime is 346138401197. The next prime is 346138401317. The reversal of 346138401263 is 362104831643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346138401263 - 2²² = 346134206959 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346138401263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346138401163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173069200631 + 173069200632.

It is an arithmetic number, because the mean of its divisors is an integer number (173069200632).

Almost surely, 2^346138401263 is an apocalyptic number.

346138401263 is a deficient number, since it is larger than the sum of its proper divisors (1).

346138401263 is an equidigital number, since it uses as much as digits as its factorization.

346138401263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 346138401263 in words is "three hundred forty-six billion, one hundred thirty-eight million, four hundred one thousand, two hundred sixty-three".