37444322449 has 2 divisors, whose sum is σ = 37444322450. Its totient is φ = 37444322448.

The previous prime is 37444322441. The next prime is 37444322453. The reversal of 37444322449 is 94422344473.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20204632449 + 17239690000 = 142143^2 + 131300^2 .

It is a cyclic number.

It is not a de Polignac number, because 37444322449 - 2³ = 37444322441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37444322399 and 37444322408.

It is not a weakly prime, because it can be changed into another prime (37444322441) 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, 18722161224 + 18722161225.

It is an arithmetic number, because the mean of its divisors is an integer number (18722161225).

Almost surely, 2^37444322449 is an apocalyptic number.

It is an amenable number.

37444322449 is a deficient number, since it is larger than the sum of its proper divisors (1).

37444322449 is an equidigital number, since it uses as much as digits as its factorization.

37444322449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 46.

The spelling of 37444322449 in words is "thirty-seven billion, four hundred forty-four million, three hundred twenty-two thousand, four hundred forty-nine".