944805947 has 2 divisors, whose sum is σ = 944805948. Its totient is φ = 944805946.

The previous prime is 944805857. The next prime is 944805997. The reversal of 944805947 is 749508449.

It is an a-pointer prime, because the next prime (944805997) can be obtained adding 944805947 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 944805947 - 2¹⁰ = 944804923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 944805895 and 944805904.

It is not a weakly prime, because it can be changed into another prime (944805997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472402973 + 472402974.

It is an arithmetic number, because the mean of its divisors is an integer number (472402974).

Almost surely, 2^944805947 is an apocalyptic number.

944805947 is a deficient number, since it is larger than the sum of its proper divisors (1).

944805947 is an equidigital number, since it uses as much as digits as its factorization.

944805947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 944805947 is about 30737.6958635484. The cubic root of 944805947 is about 981.2527180635.

The spelling of 944805947 in words is "nine hundred forty-four million, eight hundred five thousand, nine hundred forty-seven".