344845992971 has 2 divisors, whose sum is σ = 344845992972. Its totient is φ = 344845992970.

The previous prime is 344845992937. The next prime is 344845992977. The reversal of 344845992971 is 179299548443.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344845992971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344845992898 and 344845992907.

It is not a weakly prime, because it can be changed into another prime (344845992977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172422996485 + 172422996486.

It is an arithmetic number, because the mean of its divisors is an integer number (172422996486).

Almost surely, 2^344845992971 is an apocalyptic number.

344845992971 is a deficient number, since it is larger than the sum of its proper divisors (1).

344845992971 is an equidigital number, since it uses as much as digits as its factorization.

344845992971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 65.

The spelling of 344845992971 in words is "three hundred forty-four billion, eight hundred forty-five million, nine hundred ninety-two thousand, nine hundred seventy-one".