1996439603 has 2 divisors, whose sum is σ = 1996439604. Its totient is φ = 1996439602.

The previous prime is 1996439579. The next prime is 1996439623. The reversal of 1996439603 is 3069346991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996439603 - 2¹⁸ = 1996177459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1996439623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998219801 + 998219802.

It is an arithmetic number, because the mean of its divisors is an integer number (998219802).

Almost surely, 2^1996439603 is an apocalyptic number.

1996439603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996439603 is an equidigital number, since it uses as much as digits as its factorization.

1996439603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 1996439603 is about 44681.5353697699. The cubic root of 1996439603 is about 1259.1729692874.

The spelling of 1996439603 in words is "one billion, nine hundred ninety-six million, four hundred thirty-nine thousand, six hundred three".