340355425522429 has 2 divisors, whose sum is σ = 340355425522430. Its totient is φ = 340355425522428.

The previous prime is 340355425522397. The next prime is 340355425522439. The reversal of 340355425522429 is 924225524553043.

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., 335332457047225 + 5022968475204 = 18312085^2 + 2241198^2 .

It is an emirp because it is prime and its reverse (924225524553043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340355425522429 - 2⁵ = 340355425522397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340355425522429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340355425522439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170177712761214 + 170177712761215.

It is an arithmetic number, because the mean of its divisors is an integer number (170177712761215).

Almost surely, 2^{340355425522429} is an apocalyptic number.

It is an amenable number.

340355425522429 is a deficient number, since it is larger than the sum of its proper divisors (1).

340355425522429 is an equidigital number, since it uses as much as digits as its factorization.

340355425522429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840000, while the sum is 55.

The spelling of 340355425522429 in words is "three hundred forty trillion, three hundred fifty-five billion, four hundred twenty-five million, five hundred twenty-two thousand, four hundred twenty-nine".