345830446109 has 2 divisors, whose sum is σ = 345830446110. Its totient is φ = 345830446108.

The previous prime is 345830446051. The next prime is 345830446127. The reversal of 345830446109 is 901644038543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303604306009 + 42226140100 = 551003^2 + 205490^2 .

It is a cyclic number.

It is not a de Polignac number, because 345830446109 - 2⁸ = 345830445853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345830446139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172915223054 + 172915223055.

It is an arithmetic number, because the mean of its divisors is an integer number (172915223055).

Almost surely, 2^345830446109 is an apocalyptic number.

It is an amenable number.

345830446109 is a deficient number, since it is larger than the sum of its proper divisors (1).

345830446109 is an equidigital number, since it uses as much as digits as its factorization.

345830446109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 345830446109 in words is "three hundred forty-five billion, eight hundred thirty million, four hundred forty-six thousand, one hundred nine".