1996100459 has 4 divisors (see below), whose sum is σ = 1996339080. Its totient is φ = 1995861840.

The previous prime is 1996100453. The next prime is 1996100467. The reversal of 1996100459 is 9540016991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1996100459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996100453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106289 + ... + 123650.

It is an arithmetic number, because the mean of its divisors is an integer number (499084770).

Almost surely, 2^1996100459 is an apocalyptic number.

1996100459 is a deficient number, since it is larger than the sum of its proper divisors (238621).

1996100459 is an equidigital number, since it uses as much as digits as its factorization.

1996100459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238620.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 1996100459 is about 44677.7400838494. The cubic root of 1996100459 is about 1259.1016648278.

The spelling of 1996100459 in words is "one billion, nine hundred ninety-six million, one hundred thousand, four hundred fifty-nine".