3964979197 has 2 divisors, whose sum is σ = 3964979198. Its totient is φ = 3964979196.

The previous prime is 3964979189. The next prime is 3964979231. The reversal of 3964979197 is 7919794693.

3964979197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3357159481 + 607819716 = 57941^2 + 24654^2 .

It is an emirp because it is prime and its reverse (7919794693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3964979197 - 2³ = 3964979189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964979107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982489598 + 1982489599.

It is an arithmetic number, because the mean of its divisors is an integer number (1982489599).

Almost surely, 2^3964979197 is an apocalyptic number.

It is an amenable number.

3964979197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964979197 is an equidigital number, since it uses as much as digits as its factorization.

3964979197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23147208, while the sum is 64.

The square root of 3964979197 is about 62968.0807790741. The cubic root of 3964979197 is about 1582.7547942037.

The spelling of 3964979197 in words is "three billion, nine hundred sixty-four million, nine hundred seventy-nine thousand, one hundred ninety-seven".