3161864393 has 2 divisors, whose sum is σ = 3161864394. Its totient is φ = 3161864392.

The previous prime is 3161864351. The next prime is 3161864399. The reversal of 3161864393 is 3934681613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2744397769 + 417466624 = 52387^2 + 20432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161864393 - 2²⁶ = 3094755529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3161864399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580932196 + 1580932197.

It is an arithmetic number, because the mean of its divisors is an integer number (1580932197).

Almost surely, 2^3161864393 is an apocalyptic number.

It is an amenable number.

3161864393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161864393 is an equidigital number, since it uses as much as digits as its factorization.

3161864393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 3161864393 is about 56230.4578764925. The cubic root of 3161864393 is about 1467.7353242940.

The spelling of 3161864393 in words is "three billion, one hundred sixty-one million, eight hundred sixty-four thousand, three hundred ninety-three".