944238133 has 2 divisors, whose sum is σ = 944238134. Its totient is φ = 944238132.

The previous prime is 944238107. The next prime is 944238143. The reversal of 944238133 is 331832449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677144484 + 267093649 = 26022^2 + 16343^2 .

It is a cyclic number.

It is not a de Polignac number, because 944238133 - 2⁵ = 944238101 is a prime.

It is a super-2 number, since 2×944238133² = 1783171303622651378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 944238092 and 944238101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944238143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472119066 + 472119067.

It is an arithmetic number, because the mean of its divisors is an integer number (472119067).

Almost surely, 2^944238133 is an apocalyptic number.

It is an amenable number.

944238133 is a deficient number, since it is larger than the sum of its proper divisors (1).

944238133 is an equidigital number, since it uses as much as digits as its factorization.

944238133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 944238133 is about 30728.4580316032. The cubic root of 944238133 is about 981.0561060197.

The spelling of 944238133 in words is "nine hundred forty-four million, two hundred thirty-eight thousand, one hundred thirty-three".