346611626129 has 2 divisors, whose sum is σ = 346611626130. Its totient is φ = 346611626128.

The previous prime is 346611626093. The next prime is 346611626143. The reversal of 346611626129 is 921626116643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244708302400 + 101903323729 = 494680^2 + 319223^2 .

It is a cyclic number.

It is not a de Polignac number, because 346611626129 - 2²⁸ = 346343190673 is a prime.

It is not a weakly prime, because it can be changed into another prime (346611626029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173305813064 + 173305813065.

It is an arithmetic number, because the mean of its divisors is an integer number (173305813065).

Almost surely, 2^346611626129 is an apocalyptic number.

It is an amenable number.

346611626129 is a deficient number, since it is larger than the sum of its proper divisors (1).

346611626129 is an equidigital number, since it uses as much as digits as its factorization.

346611626129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The spelling of 346611626129 in words is "three hundred forty-six billion, six hundred eleven million, six hundred twenty-six thousand, one hundred twenty-nine".