345765464567543 has 2 divisors, whose sum is σ = 345765464567544. Its totient is φ = 345765464567542.

The previous prime is 345765464567459. The next prime is 345765464567557.

345765464567543 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 345765464567543 - 2²⁰ = 345765463518967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345765464597543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172882732283771 + 172882732283772.

It is an arithmetic number, because the mean of its divisors is an integer number (172882732283772).

Almost surely, 2^{345765464567543} is an apocalyptic number.

345765464567543 is a deficient number, since it is larger than the sum of its proper divisors (1).

345765464567543 is an equidigital number, since it uses as much as digits as its factorization.

345765464567543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960000, while the sum is 74.

The spelling of 345765464567543 in words is "three hundred forty-five trillion, seven hundred sixty-five billion, four hundred sixty-four million, five hundred sixty-seven thousand, five hundred forty-three".