340342494362837 has 2 divisors, whose sum is σ = 340342494362838. Its totient is φ = 340342494362836.

The previous prime is 340342494362797. The next prime is 340342494362839. The reversal of 340342494362837 is 738263494243043.

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., 211520198662756 + 128822295700081 = 14543734^2 + 11349991^2 .

It is a cyclic number.

It is not a de Polignac number, because 340342494362837 - 2¹⁶ = 340342494297301 is a prime.

Together with 340342494362839, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340342494362837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340342494362839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170171247181418 + 170171247181419.

It is an arithmetic number, because the mean of its divisors is an integer number (170171247181419).

Almost surely, 2^{340342494362837} is an apocalyptic number.

It is an amenable number.

340342494362837 is a deficient number, since it is larger than the sum of its proper divisors (1).

340342494362837 is an equidigital number, since it uses as much as digits as its factorization.

340342494362837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250822656, while the sum is 62.

The spelling of 340342494362837 in words is "three hundred forty trillion, three hundred forty-two billion, four hundred ninety-four million, three hundred sixty-two thousand, eight hundred thirty-seven".