1996117229 has 2 divisors, whose sum is σ = 1996117230. Its totient is φ = 1996117228.

The previous prime is 1996117177. The next prime is 1996117243. The reversal of 1996117229 is 9227116991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1758124900 + 237992329 = 41930^2 + 15427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996117229 - 2⁸ = 1996116973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996114229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998058614 + 998058615.

It is an arithmetic number, because the mean of its divisors is an integer number (998058615).

Almost surely, 2^1996117229 is an apocalyptic number.

It is an amenable number.

1996117229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996117229 is an equidigital number, since it uses as much as digits as its factorization.

1996117229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 47.

The square root of 1996117229 is about 44677.9277608082. The cubic root of 1996117229 is about 1259.1051908821.

The spelling of 1996117229 in words is "one billion, nine hundred ninety-six million, one hundred seventeen thousand, two hundred twenty-nine".