1996613287 has 2 divisors, whose sum is σ = 1996613288. Its totient is φ = 1996613286.

The previous prime is 1996613219. The next prime is 1996613293. The reversal of 1996613287 is 7823166991.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996613287 - 2¹⁵ = 1996580519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996613207) 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, 998306643 + 998306644.

It is an arithmetic number, because the mean of its divisors is an integer number (998306644).

Almost surely, 2^1996613287 is an apocalyptic number.

1996613287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996613287 is an equidigital number, since it uses as much as digits as its factorization.

1996613287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 1996613287 is about 44683.4789044004. The cubic root of 1996613287 is about 1259.2094829316.

The spelling of 1996613287 in words is "one billion, nine hundred ninety-six million, six hundred thirteen thousand, two hundred eighty-seven".