344420033393 has 2 divisors, whose sum is σ = 344420033394. Its totient is φ = 344420033392.

The previous prime is 344420033383. The next prime is 344420033437. The reversal of 344420033393 is 393330024443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210761791744 + 133658241649 = 459088^2 + 365593^2 .

It is a cyclic number.

It is not a de Polignac number, because 344420033393 - 2⁸ = 344420033137 is a prime.

It is not a weakly prime, because it can be changed into another prime (344420033383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172210016696 + 172210016697.

It is an arithmetic number, because the mean of its divisors is an integer number (172210016697).

Almost surely, 2^344420033393 is an apocalyptic number.

It is an amenable number.

344420033393 is a deficient number, since it is larger than the sum of its proper divisors (1).

344420033393 is an equidigital number, since it uses as much as digits as its factorization.

344420033393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 38.

The spelling of 344420033393 in words is "three hundred forty-four billion, four hundred twenty million, thirty-three thousand, three hundred ninety-three".