345399843176651 has 2 divisors, whose sum is σ = 345399843176652. Its totient is φ = 345399843176650.

The previous prime is 345399843176561. The next prime is 345399843176669. The reversal of 345399843176651 is 156671348993543.

Together with previous prime (345399843176561) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345399843176651 is a prime.

It is not a weakly prime, because it can be changed into another prime (345399843170651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172699921588325 + 172699921588326.

It is an arithmetic number, because the mean of its divisors is an integer number (172699921588326).

Almost surely, 2^{345399843176651} is an apocalyptic number.

345399843176651 is a deficient number, since it is larger than the sum of its proper divisors (1).

345399843176651 is an equidigital number, since it uses as much as digits as its factorization.

345399843176651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1763596800, while the sum is 74.

The spelling of 345399843176651 in words is "three hundred forty-five trillion, three hundred ninety-nine billion, eight hundred forty-three million, one hundred seventy-six thousand, six hundred fifty-one".