1996323737 has 4 divisors (see below), whose sum is σ = 2009544576. Its totient is φ = 1983102900.

The previous prime is 1996323727. The next prime is 1996323739. The reversal of 1996323737 is 7373236991.

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 1996323737 - 2¹⁸ = 1996061593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996323739) 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, 6610193 + ... + 6610494.

It is an arithmetic number, because the mean of its divisors is an integer number (502386144).

Almost surely, 2^1996323737 is an apocalyptic number.

It is an amenable number.

1996323737 is a deficient number, since it is larger than the sum of its proper divisors (13220839).

1996323737 is a wasteful number, since it uses less digits than its factorization.

1996323737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13220838.

The product of its digits is 1285956, while the sum is 50.

The square root of 1996323737 is about 44680.2387751006. The cubic root of 1996323737 is about 1259.1486095626.

The spelling of 1996323737 in words is "one billion, nine hundred ninety-six million, three hundred twenty-three thousand, seven hundred thirty-seven".