944649133 has 2 divisors, whose sum is σ = 944649134. Its totient is φ = 944649132.

The previous prime is 944649073. The next prime is 944649187. The reversal of 944649133 is 331946449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942612804 + 2036329 = 30702^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 944649133 - 2¹³ = 944640941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 944649133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944649833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472324566 + 472324567.

It is an arithmetic number, because the mean of its divisors is an integer number (472324567).

Almost surely, 2^944649133 is an apocalyptic number.

It is an amenable number.

944649133 is a deficient number, since it is larger than the sum of its proper divisors (1).

944649133 is an equidigital number, since it uses as much as digits as its factorization.

944649133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 944649133 is about 30735.1449158777. The cubic root of 944649133 is about 981.1984273110.

The spelling of 944649133 in words is "nine hundred forty-four million, six hundred forty-nine thousand, one hundred thirty-three".