3973195999 has 2 divisors, whose sum is σ = 3973196000. Its totient is φ = 3973195998.

The previous prime is 3973195981. The next prime is 3973196009. The reversal of 3973195999 is 9995913793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3973195999 - 2¹¹ = 3973193951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3973195999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973195969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986597999 + 1986598000.

It is an arithmetic number, because the mean of its divisors is an integer number (1986598000).

Almost surely, 2^3973195999 is an apocalyptic number.

3973195999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973195999 is an equidigital number, since it uses as much as digits as its factorization.

3973195999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18600435, while the sum is 64.

The square root of 3973195999 is about 63033.2927824654. The cubic root of 3973195999 is about 1583.8473774349.

The spelling of 3973195999 in words is "three billion, nine hundred seventy-three million, one hundred ninety-five thousand, nine hundred ninety-nine".