2090999399 has 8 divisors (see below), whose sum is σ = 2147254032. Its totient is φ = 2035091520.

The previous prime is 2090999369. The next prime is 2090999401. The reversal of 2090999399 is 9939990902.

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 2090999399 - 2⁸ = 2090999143 is a prime.

It is a super-3 number, since 3×2090999399³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090999369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74444 + ... + 98609.

It is an arithmetic number, because the mean of its divisors is an integer number (268406754).

Almost surely, 2^2090999399 is an apocalyptic number.

2090999399 is a deficient number, since it is larger than the sum of its proper divisors (56254633).

2090999399 is a wasteful number, since it uses less digits than its factorization.

2090999399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173377.

The product of its (nonzero) digits is 3188646, while the sum is 59.

The square root of 2090999399 is about 45727.4468891496. The cubic root of 2090999399 is about 1278.7470239997.

The spelling of 2090999399 in words is "two billion, ninety million, nine hundred ninety-nine thousand, three hundred ninety-nine".