3663996197 has 2 divisors, whose sum is σ = 3663996198. Its totient is φ = 3663996196.

The previous prime is 3663996181. The next prime is 3663996227. The reversal of 3663996197 is 7916993663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640191556 + 23804641 = 60334^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 3663996197 - 2⁴ = 3663996181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3663996397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831998098 + 1831998099.

It is an arithmetic number, because the mean of its divisors is an integer number (1831998099).

Almost surely, 2^3663996197 is an apocalyptic number.

It is an amenable number.

3663996197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663996197 is an equidigital number, since it uses as much as digits as its factorization.

3663996197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232, while the sum is 59.

The square root of 3663996197 is about 60530.9523880139. The cubic root of 3663996197 is about 1541.6472222542.

The spelling of 3663996197 in words is "three billion, six hundred sixty-three million, nine hundred ninety-six thousand, one hundred ninety-seven".