944351663 has 2 divisors, whose sum is σ = 944351664. Its totient is φ = 944351662.

The previous prime is 944351627. The next prime is 944351671. The reversal of 944351663 is 366153449.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 944351663 - 2¹⁰ = 944350639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 944351663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944341663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472175831 + 472175832.

It is an arithmetic number, because the mean of its divisors is an integer number (472175832).

Almost surely, 2^944351663 is an apocalyptic number.

944351663 is a deficient number, since it is larger than the sum of its proper divisors (1).

944351663 is an equidigital number, since it uses as much as digits as its factorization.

944351663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 944351663 is about 30730.3052864758. The cubic root of 944351663 is about 981.0954233741.

The spelling of 944351663 in words is "nine hundred forty-four million, three hundred fifty-one thousand, six hundred sixty-three".