1996868047 has 2 divisors, whose sum is σ = 1996868048. Its totient is φ = 1996868046.

The previous prime is 1996868021. The next prime is 1996868077. The reversal of 1996868047 is 7408686991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1996868047 - 2¹⁹ = 1996343759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1996867982 and 1996868000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996868077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998434023 + 998434024.

It is an arithmetic number, because the mean of its divisors is an integer number (998434024).

Almost surely, 2^1996868047 is an apocalyptic number.

1996868047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996868047 is an equidigital number, since it uses as much as digits as its factorization.

1996868047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 1996868047 is about 44686.3295315245. The cubic root of 1996868047 is about 1259.2630373792.

The spelling of 1996868047 in words is "one billion, nine hundred ninety-six million, eight hundred sixty-eight thousand, forty-seven".