346448880991 has 2 divisors, whose sum is σ = 346448880992. Its totient is φ = 346448880990.

The previous prime is 346448880961. The next prime is 346448881039. The reversal of 346448880991 is 199088844643.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 346448880991 - 2²⁷ = 346314663263 is a prime.

It is a super-2 number, since 2×346448880991² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346448880901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173224440495 + 173224440496.

It is an arithmetic number, because the mean of its divisors is an integer number (173224440496).

Almost surely, 2^346448880991 is an apocalyptic number.

346448880991 is a deficient number, since it is larger than the sum of its proper divisors (1).

346448880991 is an equidigital number, since it uses as much as digits as its factorization.

346448880991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47775744, while the sum is 64.

The spelling of 346448880991 in words is "three hundred forty-six billion, four hundred forty-eight million, eight hundred eighty thousand, nine hundred ninety-one".