1996767471217 has 4 divisors (see below), whose sum is σ = 2043203924080. Its totient is φ = 1950331018356.

The previous prime is 1996767471211. The next prime is 1996767471233. The reversal of 1996767471217 is 7121747676991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1996767471217 - 2⁷ = 1996767471089 is a prime.

It is a super-2 number, since 2×1996767471217² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996767471211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23218226367 + ... + 23218226452.

It is an arithmetic number, because the mean of its divisors is an integer number (510800981020).

Almost surely, 2^{1996767471217} is an apocalyptic number.

It is an amenable number.

1996767471217 is a deficient number, since it is larger than the sum of its proper divisors (46436452863).

1996767471217 is an equidigital number, since it uses as much as digits as its factorization.

1996767471217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46436452862.

The product of its digits is 56010528, while the sum is 67.

The spelling of 1996767471217 in words is "one trillion, nine hundred ninety-six billion, seven hundred sixty-seven million, four hundred seventy-one thousand, two hundred seventeen".