340864622316677 has 2 divisors, whose sum is σ = 340864622316678. Its totient is φ = 340864622316676.

The previous prime is 340864622316649. The next prime is 340864622316817. The reversal of 340864622316677 is 776613226468043.

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., 269675055429796 + 71189566886881 = 16421786^2 + 8437391^2 .

It is a cyclic number.

It is not a de Polignac number, because 340864622316677 - 2³⁴ = 340847442447493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340864622312677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170432311158338 + 170432311158339.

It is an arithmetic number, because the mean of its divisors is an integer number (170432311158339).

Almost surely, 2^{340864622316677} is an apocalyptic number.

It is an amenable number.

340864622316677 is a deficient number, since it is larger than the sum of its proper divisors (1).

340864622316677 is an equidigital number, since it uses as much as digits as its factorization.

340864622316677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 292626432, while the sum is 65.

The spelling of 340864622316677 in words is "three hundred forty trillion, eight hundred sixty-four billion, six hundred twenty-two million, three hundred sixteen thousand, six hundred seventy-seven".