3196859883661 has 2 divisors, whose sum is σ = 3196859883662. Its totient is φ = 3196859883660.

The previous prime is 3196859883653. The next prime is 3196859883673. The reversal of 3196859883661 is 1663889586913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2132622122500 + 1064237761161 = 1460350^2 + 1031619^2 .

It is a cyclic number.

It is not a de Polignac number, because 3196859883661 - 2³ = 3196859883653 is a prime.

It is a super-2 number, since 2×3196859883661² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3196859883611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598429941830 + 1598429941831.

It is an arithmetic number, because the mean of its divisors is an integer number (1598429941831).

Almost surely, 2^{3196859883661} is an apocalyptic number.

It is an amenable number.

3196859883661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3196859883661 is an equidigital number, since it uses as much as digits as its factorization.

3196859883661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403107840, while the sum is 73.

The spelling of 3196859883661 in words is "three trillion, one hundred ninety-six billion, eight hundred fifty-nine million, eight hundred eighty-three thousand, six hundred sixty-one".