344966663 has 2 divisors, whose sum is σ = 344966664. Its totient is φ = 344966662.

The previous prime is 344966621. The next prime is 344966681. The reversal of 344966663 is 366669443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344966663 - 2¹⁶ = 344901127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344966263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172483331 + 172483332.

It is an arithmetic number, because the mean of its divisors is an integer number (172483332).

Almost surely, 2^344966663 is an apocalyptic number.

344966663 is a deficient number, since it is larger than the sum of its proper divisors (1).

344966663 is an equidigital number, since it uses as much as digits as its factorization.

344966663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 47.

The square root of 344966663 is about 18573.2781974535. The cubic root of 344966663 is about 701.3353171212.

The spelling of 344966663 in words is "three hundred forty-four million, nine hundred sixty-six thousand, six hundred sixty-three".