344352422257 has 2 divisors, whose sum is σ = 344352422258. Its totient is φ = 344352422256.

The previous prime is 344352422159. The next prime is 344352422261. The reversal of 344352422257 is 752224253443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299861379216 + 44491043041 = 547596^2 + 210929^2 .

It is a cyclic number.

It is not a de Polignac number, because 344352422257 - 2¹⁵ = 344352389489 is a prime.

It is not a weakly prime, because it can be changed into another prime (344352422287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172176211128 + 172176211129.

It is an arithmetic number, because the mean of its divisors is an integer number (172176211129).

Almost surely, 2^344352422257 is an apocalyptic number.

It is an amenable number.

344352422257 is a deficient number, since it is larger than the sum of its proper divisors (1).

344352422257 is an equidigital number, since it uses as much as digits as its factorization.

344352422257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 43.

The spelling of 344352422257 in words is "three hundred forty-four billion, three hundred fifty-two million, four hundred twenty-two thousand, two hundred fifty-seven".