340013347673 has 2 divisors, whose sum is σ = 340013347674. Its totient is φ = 340013347672.

The previous prime is 340013347607. The next prime is 340013347679. The reversal of 340013347673 is 376743310043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298019911744 + 41993435929 = 545912^2 + 204923^2 .

It is a cyclic number.

It is not a de Polignac number, because 340013347673 - 2¹² = 340013343577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340013347673.

It is not a weakly prime, because it can be changed into another prime (340013347679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170006673836 + 170006673837.

It is an arithmetic number, because the mean of its divisors is an integer number (170006673837).

Almost surely, 2^340013347673 is an apocalyptic number.

It is an amenable number.

340013347673 is a deficient number, since it is larger than the sum of its proper divisors (1).

340013347673 is an equidigital number, since it uses as much as digits as its factorization.

340013347673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 41.

The spelling of 340013347673 in words is "three hundred forty billion, thirteen million, three hundred forty-seven thousand, six hundred seventy-three".