39224083681 has 2 divisors, whose sum is σ = 39224083682. Its totient is φ = 39224083680.

The previous prime is 39224083669. The next prime is 39224083733. The reversal of 39224083681 is 18638042293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27033936400 + 12190147281 = 164420^2 + 110409^2 .

It is a cyclic number.

It is not a de Polignac number, because 39224083681 - 2²³ = 39215695073 is a prime.

It is a super-2 number, since 2×39224083681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39224183681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19612041840 + 19612041841.

It is an arithmetic number, because the mean of its divisors is an integer number (19612041841).

Almost surely, 2^39224083681 is an apocalyptic number.

It is an amenable number.

39224083681 is a deficient number, since it is larger than the sum of its proper divisors (1).

39224083681 is an equidigital number, since it uses as much as digits as its factorization.

39224083681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 39224083681 in words is "thirty-nine billion, two hundred twenty-four million, eighty-three thousand, six hundred eighty-one".