1996923559 has 32 divisors (see below), whose sum is σ = 2184247296. Its totient is φ = 1821605760.

The previous prime is 1996923553. The next prime is 1996923563. The reversal of 1996923559 is 9553296991.

It is not a de Polignac number, because 1996923559 - 2¹⁷ = 1996792487 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 (1996923553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6504484 + ... + 6504790.

It is an arithmetic number, because the mean of its divisors is an integer number (68257728).

Almost surely, 2^1996923559 is an apocalyptic number.

1996923559 is a deficient number, since it is larger than the sum of its proper divisors (187323737).

1996923559 is a wasteful number, since it uses less digits than its factorization.

1996923559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its digits is 5904900, while the sum is 58.

The square root of 1996923559 is about 44686.9506567633. The cubic root of 1996923559 is about 1259.2747062460.

The spelling of 1996923559 in words is "one billion, nine hundred ninety-six million, nine hundred twenty-three thousand, five hundred fifty-nine".