3922397909 has 2 divisors, whose sum is σ = 3922397910. Its totient is φ = 3922397908.

The previous prime is 3922397893. The next prime is 3922397957. The reversal of 3922397909 is 9097932293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3166312900 + 756085009 = 56270^2 + 27497^2 .

It is an emirp because it is prime and its reverse (9097932293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3922397909 - 2⁴ = 3922397893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3922397009) 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, 1961198954 + 1961198955.

It is an arithmetic number, because the mean of its divisors is an integer number (1961198955).

Almost surely, 2^3922397909 is an apocalyptic number.

It is an amenable number.

3922397909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3922397909 is an equidigital number, since it uses as much as digits as its factorization.

3922397909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1653372, while the sum is 53.

The square root of 3922397909 is about 62629.0500406960. The cubic root of 3922397909 is about 1577.0684718407.

The spelling of 3922397909 in words is "three billion, nine hundred twenty-two million, three hundred ninety-seven thousand, nine hundred nine".