3922397957 has 2 divisors, whose sum is σ = 3922397958. Its totient is φ = 3922397956.

The previous prime is 3922397909. The next prime is 3922398013. The reversal of 3922397957 is 7597932293.

It is a happy number.

It is an a-pointer prime, because the next prime (3922398013) can be obtained adding 3922397957 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640191556 + 282206401 = 60334^2 + 16799^2 .

It is a cyclic number.

It is not a de Polignac number, because 3922397957 - 2⁶ = 3922397893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3922397057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961198978 + 1961198979.

It is an arithmetic number, because the mean of its divisors is an integer number (1961198979).

Almost surely, 2^3922397957 is an apocalyptic number.

It is an amenable number.

3922397957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3922397957 is an equidigital number, since it uses as much as digits as its factorization.

3922397957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6429780, while the sum is 56.

The square root of 3922397957 is about 62629.0504239047. The cubic root of 3922397957 is about 1577.0684782738.

The spelling of 3922397957 in words is "three billion, nine hundred twenty-two million, three hundred ninety-seven thousand, nine hundred fifty-seven".