346504274561 has 2 divisors, whose sum is σ = 346504274562. Its totient is φ = 346504274560.

The previous prime is 346504274537. The next prime is 346504274573. The reversal of 346504274561 is 165472405643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332404137025 + 14100137536 = 576545^2 + 118744^2 .

It is a cyclic number.

It is not a de Polignac number, because 346504274561 - 2²² = 346500080257 is a prime.

It is not a weakly prime, because it can be changed into another prime (346504274761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173252137280 + 173252137281.

It is an arithmetic number, because the mean of its divisors is an integer number (173252137281).

Almost surely, 2^346504274561 is an apocalyptic number.

It is an amenable number.

346504274561 is a deficient number, since it is larger than the sum of its proper divisors (1).

346504274561 is an equidigital number, since it uses as much as digits as its factorization.

346504274561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 346504274561 in words is "three hundred forty-six billion, five hundred four million, two hundred seventy-four thousand, five hundred sixty-one".