345266502991 has 2 divisors, whose sum is σ = 345266502992. Its totient is φ = 345266502990.

The previous prime is 345266502967. The next prime is 345266503051. The reversal of 345266502991 is 199205662543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345266502991 - 2¹⁵ = 345266470223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345266502391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172633251495 + 172633251496.

It is an arithmetic number, because the mean of its divisors is an integer number (172633251496).

Almost surely, 2^345266502991 is an apocalyptic number.

345266502991 is a deficient number, since it is larger than the sum of its proper divisors (1).

345266502991 is an equidigital number, since it uses as much as digits as its factorization.

345266502991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 345266502991 in words is "three hundred forty-five billion, two hundred sixty-six million, five hundred two thousand, nine hundred ninety-one".