345031666597 has 2 divisors, whose sum is σ = 345031666598. Its totient is φ = 345031666596.

The previous prime is 345031666559. The next prime is 345031666631. The reversal of 345031666597 is 795666130543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188884982881 + 156146683716 = 434609^2 + 395154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345031666597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345031666097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172515833298 + 172515833299.

It is an arithmetic number, because the mean of its divisors is an integer number (172515833299).

Almost surely, 2^345031666597 is an apocalyptic number.

It is an amenable number.

345031666597 is a deficient number, since it is larger than the sum of its proper divisors (1).

345031666597 is an equidigital number, since it uses as much as digits as its factorization.

345031666597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 345031666597 in words is "three hundred forty-five billion, thirty-one million, six hundred sixty-six thousand, five hundred ninety-seven".