344845397899 has 2 divisors, whose sum is σ = 344845397900. Its totient is φ = 344845397898.

The previous prime is 344845397867. The next prime is 344845397903. The reversal of 344845397899 is 998793548443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344845397899 - 2⁵ = 344845397867 is a prime.

It is a super-2 number, since 2×344845397899² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344848397899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172422698949 + 172422698950.

It is an arithmetic number, because the mean of its divisors is an integer number (172422698950).

Almost surely, 2^344845397899 is an apocalyptic number.

344845397899 is a deficient number, since it is larger than the sum of its proper divisors (1).

344845397899 is an equidigital number, since it uses as much as digits as its factorization.

344845397899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940584960, while the sum is 73.

The spelling of 344845397899 in words is "three hundred forty-four billion, eight hundred forty-five million, three hundred ninety-seven thousand, eight hundred ninety-nine".