345042674993 has 2 divisors, whose sum is σ = 345042674994. Its totient is φ = 345042674992.

The previous prime is 345042674989. The next prime is 345042675037. The reversal of 345042674993 is 399476240543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182514365089 + 162528309904 = 427217^2 + 403148^2 .

It is a cyclic number.

It is not a de Polignac number, because 345042674993 - 2² = 345042674989 is a prime.

It is not a weakly prime, because it can be changed into another prime (345042674983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172521337496 + 172521337497.

It is an arithmetic number, because the mean of its divisors is an integer number (172521337497).

Almost surely, 2^345042674993 is an apocalyptic number.

It is an amenable number.

345042674993 is a deficient number, since it is larger than the sum of its proper divisors (1).

345042674993 is an equidigital number, since it uses as much as digits as its factorization.

345042674993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 345042674993 in words is "three hundred forty-five billion, forty-two million, six hundred seventy-four thousand, nine hundred ninety-three".