990282128299 has 8 divisors (see below), whose sum is σ = 1012332953088. Its totient is φ = 968272178280.

The previous prime is 990282128287. The next prime is 990282128333. The reversal of 990282128299 is 992821282099.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990282128299 - 2⁵ = 990282128267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990282128279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10169697 + ... + 10266610.

It is an arithmetic number, because the mean of its divisors is an integer number (126541619136).

Almost surely, 2^990282128299 is an apocalyptic number.

990282128299 is a deficient number, since it is larger than the sum of its proper divisors (22050824789).

990282128299 is a wasteful number, since it uses less digits than its factorization.

990282128299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437385.

The product of its (nonzero) digits is 6718464, while the sum is 61.

The spelling of 990282128299 in words is "nine hundred ninety billion, two hundred eighty-two million, one hundred twenty-eight thousand, two hundred ninety-nine".