345055874269 has 2 divisors, whose sum is σ = 345055874270. Its totient is φ = 345055874268.

The previous prime is 345055874263. The next prime is 345055874279. The reversal of 345055874269 is 962478550543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328314102169 + 16741772100 = 572987^2 + 129390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345055874269 is a prime.

It is a super-2 number, since 2×345055874269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345055874263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172527937134 + 172527937135.

It is an arithmetic number, because the mean of its divisors is an integer number (172527937135).

Almost surely, 2^345055874269 is an apocalyptic number.

It is an amenable number.

345055874269 is a deficient number, since it is larger than the sum of its proper divisors (1).

345055874269 is an equidigital number, since it uses as much as digits as its factorization.

345055874269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 345055874269 in words is "three hundred forty-five billion, fifty-five million, eight hundred seventy-four thousand, two hundred sixty-nine".