9942799559 has 32 divisors (see below), whose sum is σ = 12946120704. Its totient is φ = 7404518880.

The previous prime is 9942799549. The next prime is 9942799567. The reversal of 9942799559 is 9559972499.

It is not a de Polignac number, because 9942799559 - 2⁴ = 9942799543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942799549) 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, 3971102 + ... + 3973604.

It is an arithmetic number, because the mean of its divisors is an integer number (404566272).

Almost surely, 2^9942799559 is an apocalyptic number.

9942799559 is a deficient number, since it is larger than the sum of its proper divisors (3003321145).

9942799559 is a wasteful number, since it uses less digits than its factorization.

9942799559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787.

The product of its digits is 82668600, while the sum is 68.

The square root of 9942799559 is about 99713.5876347853. The cubic root of 9942799559 is about 2150.3190122631.

The spelling of 9942799559 in words is "nine billion, nine hundred forty-two million, seven hundred ninety-nine thousand, five hundred fifty-nine".