345210707969 has 2 divisors, whose sum is σ = 345210707970. Its totient is φ = 345210707968.

The previous prime is 345210707917. The next prime is 345210707981. The reversal of 345210707969 is 969707012543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307706512369 + 37504195600 = 554713^2 + 193660^2 .

It is a cyclic number.

It is not a de Polignac number, because 345210707969 - 2⁸ = 345210707713 is a prime.

It is a super-2 number, since 2×345210707969² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345210707969.

It is not a weakly prime, because it can be changed into another prime (345210707069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172605353984 + 172605353985.

It is an arithmetic number, because the mean of its divisors is an integer number (172605353985).

Almost surely, 2^345210707969 is an apocalyptic number.

It is an amenable number.

345210707969 is a deficient number, since it is larger than the sum of its proper divisors (1).

345210707969 is an equidigital number, since it uses as much as digits as its factorization.

345210707969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 345210707969 in words is "three hundred forty-five billion, two hundred ten million, seven hundred seven thousand, nine hundred sixty-nine".