346563536422261 has 2 divisors, whose sum is σ = 346563536422262. Its totient is φ = 346563536422260.

The previous prime is 346563536422247. The next prime is 346563536422273. The reversal of 346563536422261 is 162224635365643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223715019895236 + 122848516527025 = 14957106^2 + 11083705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346563536422261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346563536422196 and 346563536422205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346563536423261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173281768211130 + 173281768211131.

It is an arithmetic number, because the mean of its divisors is an integer number (173281768211131).

Almost surely, 2^{346563536422261} is an apocalyptic number.

It is an amenable number.

346563536422261 is a deficient number, since it is larger than the sum of its proper divisors (1).

346563536422261 is an equidigital number, since it uses as much as digits as its factorization.

346563536422261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111974400, while the sum is 58.

The spelling of 346563536422261 in words is "three hundred forty-six trillion, five hundred sixty-three billion, five hundred thirty-six million, four hundred twenty-two thousand, two hundred sixty-one".