944213437 has 2 divisors, whose sum is σ = 944213438. Its totient is φ = 944213436.

The previous prime is 944213429. The next prime is 944213441. The reversal of 944213437 is 734312449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701508196 + 242705241 = 26486^2 + 15579^2 .

It is a cyclic number.

It is not a de Polignac number, because 944213437 - 2³ = 944213429 is a prime.

It is a super-3 number, since 3×944213437³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 944213396 and 944213405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944213467) 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, 472106718 + 472106719.

It is an arithmetic number, because the mean of its divisors is an integer number (472106719).

Almost surely, 2^944213437 is an apocalyptic number.

It is an amenable number.

944213437 is a deficient number, since it is larger than the sum of its proper divisors (1).

944213437 is an equidigital number, since it uses as much as digits as its factorization.

944213437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 944213437 is about 30728.0561864886. The cubic root of 944213437 is about 981.0475529609.

The spelling of 944213437 in words is "nine hundred forty-four million, two hundred thirteen thousand, four hundred thirty-seven".