340464706562473 has 2 divisors, whose sum is σ = 340464706562474. Its totient is φ = 340464706562472.

The previous prime is 340464706562399. The next prime is 340464706562501. The reversal of 340464706562473 is 374265607464043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310952031004224 + 29512675558249 = 17633832^2 + 5432557^2 .

It is an emirp because it is prime and its reverse (374265607464043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340464706562473 - 2²⁵ = 340464673008041 is a prime.

It is not a weakly prime, because it can be changed into another prime (340464706562173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170232353281236 + 170232353281237.

It is an arithmetic number, because the mean of its divisors is an integer number (170232353281237).

Almost surely, 2^{340464706562473} is an apocalyptic number.

It is an amenable number.

340464706562473 is a deficient number, since it is larger than the sum of its proper divisors (1).

340464706562473 is an equidigital number, since it uses as much as digits as its factorization.

340464706562473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243855360, while the sum is 61.

The spelling of 340464706562473 in words is "three hundred forty trillion, four hundred sixty-four billion, seven hundred six million, five hundred sixty-two thousand, four hundred seventy-three".