2086320291 has 32 divisors (see below), whose sum is σ = 3323980800. Its totient is φ = 1149012480.

The previous prime is 2086320281. The next prime is 2086320319. The reversal of 2086320291 is 1920236802.

It is a happy number.

It is not a de Polignac number, because 2086320291 - 2¹⁰ = 2086319267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2086320281) 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 31 ways as a sum of consecutive naturals, for example, 47851 + ... + 80388.

It is an arithmetic number, because the mean of its divisors is an integer number (103874400).

Almost surely, 2^2086320291 is an apocalyptic number.

2086320291 is a deficient number, since it is larger than the sum of its proper divisors (1237660509).

2086320291 is a wasteful number, since it uses less digits than its factorization.

2086320291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128299.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2086320291 is about 45676.2552208475. The cubic root of 2086320291 is about 1277.7924782007.

The spelling of 2086320291 in words is "two billion, eighty-six million, three hundred twenty thousand, two hundred ninety-one".