1996595999 has 4 divisors (see below), whose sum is σ = 1996689336. Its totient is φ = 1996502664.

The previous prime is 1996595963. The next prime is 1996596011. The reversal of 1996595999 is 9995956991.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1996595999 - 2⁸ = 1996595743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996595299) 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, 3137 + ... + 63269.

It is an arithmetic number, because the mean of its divisors is an integer number (499172334).

Almost surely, 2^1996595999 is an apocalyptic number.

1996595999 is a deficient number, since it is larger than the sum of its proper divisors (93337).

1996595999 is an equidigital number, since it uses as much as digits as its factorization.

1996595999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93336.

The product of its digits is 79716150, while the sum is 71.

The square root of 1996595999 is about 44683.2854544068. The cubic root of 1996595999 is about 1259.2058485646.

The spelling of 1996595999 in words is "one billion, nine hundred ninety-six million, five hundred ninety-five thousand, nine hundred ninety-nine".