340447259209793 has 2 divisors, whose sum is σ = 340447259209794. Its totient is φ = 340447259209792.

The previous prime is 340447259209787. The next prime is 340447259209829. The reversal of 340447259209793 is 397902952744043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332247151611904 + 8200107597889 = 18227648^2 + 2863583^2 .

It is a cyclic number.

It is not a de Polignac number, because 340447259209793 - 2³⁴ = 340430079340609 is a prime.

It is not a weakly prime, because it can be changed into another prime (340447259209193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170223629604896 + 170223629604897.

It is an arithmetic number, because the mean of its divisors is an integer number (170223629604897).

Almost surely, 2^{340447259209793} is an apocalyptic number.

It is an amenable number.

340447259209793 is a deficient number, since it is larger than the sum of its proper divisors (1).

340447259209793 is an equidigital number, since it uses as much as digits as its factorization.

340447259209793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411505920, while the sum is 68.

The spelling of 340447259209793 in words is "three hundred forty trillion, four hundred forty-seven billion, two hundred fifty-nine million, two hundred nine thousand, seven hundred ninety-three".