9955290999 has 4 divisors (see below), whose sum is σ = 13273721336. Its totient is φ = 6636860664.

The previous prime is 9955290991. The next prime is 9955291019. The reversal of 9955290999 is 9990925599.

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

It is not a de Polignac number, because 9955290999 - 2³ = 9955290991 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 (9955290991) 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, 1659215164 + ... + 1659215169.

It is an arithmetic number, because the mean of its divisors is an integer number (3318430334).

Almost surely, 2^9955290999 is an apocalyptic number.

9955290999 is a deficient number, since it is larger than the sum of its proper divisors (3318430337).

9955290999 is a wasteful number, since it uses less digits than its factorization.

9955290999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318430336.

The product of its (nonzero) digits is 26572050, while the sum is 66.

The square root of 9955290999 is about 99776.2045730343. The cubic root of 9955290999 is about 2151.2191390339.

The spelling of 9955290999 in words is "nine billion, nine hundred fifty-five million, two hundred ninety thousand, nine hundred ninety-nine".