345405070264327 has 2 divisors, whose sum is σ = 345405070264328. Its totient is φ = 345405070264326.

The previous prime is 345405070264279. The next prime is 345405070264333. The reversal of 345405070264327 is 723462070504543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345405070264327 - 2¹⁹ = 345405069740039 is a prime.

It is a super-4 number, since 4×345405070264327⁴ (a number of 59 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345405070264027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172702535132163 + 172702535132164.

It is an arithmetic number, because the mean of its divisors is an integer number (172702535132164).

Almost surely, 2^{345405070264327} is an apocalyptic number.

345405070264327 is a deficient number, since it is larger than the sum of its proper divisors (1).

345405070264327 is an equidigital number, since it uses as much as digits as its factorization.

345405070264327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16934400, while the sum is 52.

The spelling of 345405070264327 in words is "three hundred forty-five trillion, four hundred five billion, seventy million, two hundred sixty-four thousand, three hundred twenty-seven".