990999793335 has 32 divisors (see below), whose sum is σ = 1596029605632. Its totient is φ = 525065748480.

The previous prime is 990999793291. The next prime is 990999793337. The reversal of 990999793335 is 533397999099.

It is not a de Polignac number, because 990999793335 - 2¹² = 990999789239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990999793337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1445047 + ... + 2017463.

It is an arithmetic number, because the mean of its divisors is an integer number (49875925176).

Almost surely, 2^990999793335 is an apocalyptic number.

990999793335 is a deficient number, since it is larger than the sum of its proper divisors (605029812297).

990999793335 is a wasteful number, since it uses less digits than its factorization.

990999793335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573183.

The product of its (nonzero) digits is 502211745, while the sum is 75.

The spelling of 990999793335 in words is "nine hundred ninety billion, nine hundred ninety-nine million, seven hundred ninety-three thousand, three hundred thirty-five".