944477389 has 2 divisors, whose sum is σ = 944477390. Its totient is φ = 944477388.

The previous prime is 944477377. The next prime is 944477399. The reversal of 944477389 is 983774449.

944477389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558944164 + 385533225 = 23642^2 + 19635^2 .

It is a cyclic number.

It is not a de Polignac number, because 944477389 - 2⁹ = 944476877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944477399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472238694 + 472238695.

It is an arithmetic number, because the mean of its divisors is an integer number (472238695).

Almost surely, 2^944477389 is an apocalyptic number.

It is an amenable number.

944477389 is a deficient number, since it is larger than the sum of its proper divisors (1).

944477389 is an equidigital number, since it uses as much as digits as its factorization.

944477389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The square root of 944477389 is about 30732.3508537827. The cubic root of 944477389 is about 981.1389607322.

The spelling of 944477389 in words is "nine hundred forty-four million, four hundred seventy-seven thousand, three hundred eighty-nine".