2169086499 has 8 divisors (see below), whose sum is σ = 3213461520. Its totient is φ = 1446057648.

The previous prime is 2169086473. The next prime is 2169086503. The reversal of 2169086499 is 9946809612.

It is not a de Polignac number, because 2169086499 - 2¹⁶ = 2169020963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2169086419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40168242 + ... + 40168295.

It is an arithmetic number, because the mean of its divisors is an integer number (401682690).

Almost surely, 2^2169086499 is an apocalyptic number.

2169086499 is a deficient number, since it is larger than the sum of its proper divisors (1044375021).

2169086499 is an equidigital number, since it uses as much as digits as its factorization.

2169086499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80336546 (or 80336540 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 2169086499 is about 46573.4527279222. The cubic root of 2169086499 is about 1294.4708956907.

The spelling of 2169086499 in words is "two billion, one hundred sixty-nine million, eighty-six thousand, four hundred ninety-nine".