346448880091 has 2 divisors, whose sum is σ = 346448880092. Its totient is φ = 346448880090.

The previous prime is 346448880059. The next prime is 346448880121. The reversal of 346448880091 is 190088844643.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346448880091 - 2⁵ = 346448880059 is a prime.

It is not a weakly prime, because it can be changed into another prime (346448880991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173224440045 + 173224440046.

It is an arithmetic number, because the mean of its divisors is an integer number (173224440046).

Almost surely, 2^346448880091 is an apocalyptic number.

346448880091 is a deficient number, since it is larger than the sum of its proper divisors (1).

346448880091 is an equidigital number, since it uses as much as digits as its factorization.

346448880091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 346448880091 in words is "three hundred forty-six billion, four hundred forty-eight million, eight hundred eighty thousand, ninety-one".