39322544449 has 2 divisors, whose sum is σ = 39322544450. Its totient is φ = 39322544448.

The previous prime is 39322544369. The next prime is 39322544473. The reversal of 39322544449 is 94444522393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37703930625 + 1618613824 = 194175^2 + 40232^2 .

It is a cyclic number.

It is not a de Polignac number, because 39322544449 - 2¹¹ = 39322542401 is a prime.

It is not a weakly prime, because it can be changed into another prime (39322544479) 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, 19661272224 + 19661272225.

It is an arithmetic number, because the mean of its divisors is an integer number (19661272225).

Almost surely, 2^39322544449 is an apocalyptic number.

It is an amenable number.

39322544449 is a deficient number, since it is larger than the sum of its proper divisors (1).

39322544449 is an equidigital number, since it uses as much as digits as its factorization.

39322544449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 49.

The spelling of 39322544449 in words is "thirty-nine billion, three hundred twenty-two million, five hundred forty-four thousand, four hundred forty-nine".