340322566457 has 2 divisors, whose sum is σ = 340322566458. Its totient is φ = 340322566456.

The previous prime is 340322566379. The next prime is 340322566469. The reversal of 340322566457 is 754665223043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338990608441 + 1331958016 = 582229^2 + 36496^2 .

It is a cyclic number.

It is not a de Polignac number, because 340322566457 - 2⁸ = 340322566201 is a prime.

It is not a weakly prime, because it can be changed into another prime (340322562457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170161283228 + 170161283229.

It is an arithmetic number, because the mean of its divisors is an integer number (170161283229).

Almost surely, 2^340322566457 is an apocalyptic number.

It is an amenable number.

340322566457 is a deficient number, since it is larger than the sum of its proper divisors (1).

340322566457 is an equidigital number, since it uses as much as digits as its factorization.

340322566457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 340322566457 in words is "three hundred forty billion, three hundred twenty-two million, five hundred sixty-six thousand, four hundred fifty-seven".