345216484612543 has 2 divisors, whose sum is σ = 345216484612544. Its totient is φ = 345216484612542.

The previous prime is 345216484612507. The next prime is 345216484612567.

345216484612543 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 345216484612543 - 2¹⁷ = 345216484481471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345216484612343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172608242306271 + 172608242306272.

It is an arithmetic number, because the mean of its divisors is an integer number (172608242306272).

Almost surely, 2^{345216484612543} is an apocalyptic number.

345216484612543 is a deficient number, since it is larger than the sum of its proper divisors (1).

345216484612543 is an equidigital number, since it uses as much as digits as its factorization.

345216484612543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66355200, while the sum is 58.

The spelling of 345216484612543 in words is "three hundred forty-five trillion, two hundred sixteen billion, four hundred eighty-four million, six hundred twelve thousand, five hundred forty-three".