3922397893 has 2 divisors, whose sum is σ = 3922397894. Its totient is φ = 3922397892.

The previous prime is 3922397863. The next prime is 3922397909. The reversal of 3922397893 is 3987932293.

It is a happy number.

3922397893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3650213889 + 272184004 = 60417^2 + 16498^2 .

It is an emirp because it is prime and its reverse (3987932293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3922397893 - 2²⁵ = 3888843461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3922397863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961198946 + 1961198947.

It is an arithmetic number, because the mean of its divisors is an integer number (1961198947).

Almost surely, 2^3922397893 is an apocalyptic number.

It is an amenable number.

3922397893 is a deficient number, since it is larger than the sum of its proper divisors (1).

3922397893 is an equidigital number, since it uses as much as digits as its factorization.

3922397893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 55.

The square root of 3922397893 is about 62629.0499129597. The cubic root of 3922397893 is about 1577.0684696963.

The spelling of 3922397893 in words is "three billion, nine hundred twenty-two million, three hundred ninety-seven thousand, eight hundred ninety-three".