345053215009 has 2 divisors, whose sum is σ = 345053215010. Its totient is φ = 345053215008.

The previous prime is 345053214991. The next prime is 345053215061. The reversal of 345053215009 is 900512350543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313359246225 + 31693968784 = 559785^2 + 178028^2 .

It is a cyclic number.

It is not a de Polignac number, because 345053215009 - 2⁵ = 345053214977 is a prime.

It is not a weakly prime, because it can be changed into another prime (345053210009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172526607504 + 172526607505.

It is an arithmetic number, because the mean of its divisors is an integer number (172526607505).

Almost surely, 2^345053215009 is an apocalyptic number.

It is an amenable number.

345053215009 is a deficient number, since it is larger than the sum of its proper divisors (1).

345053215009 is an equidigital number, since it uses as much as digits as its factorization.

345053215009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 345053215009 in words is "three hundred forty-five billion, fifty-three million, two hundred fifteen thousand, nine".