2086964899 has 4 divisors (see below), whose sum is σ = 2087708040. Its totient is φ = 2086221760.

The previous prime is 2086964861. The next prime is 2086964927. The reversal of 2086964899 is 9984696802.

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

It is a cyclic number.

It is not a de Polignac number, because 2086964899 - 2¹⁹ = 2086440611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086964819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367342 + ... + 372979.

It is an arithmetic number, because the mean of its divisors is an integer number (521927010).

Almost surely, 2^2086964899 is an apocalyptic number.

2086964899 is a deficient number, since it is larger than the sum of its proper divisors (743141).

2086964899 is an equidigital number, since it uses as much as digits as its factorization.

2086964899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743140.

The product of its (nonzero) digits is 13436928, while the sum is 61.

The square root of 2086964899 is about 45683.3109461212. The cubic root of 2086964899 is about 1277.9240640110.

The spelling of 2086964899 in words is "two billion, eighty-six million, nine hundred sixty-four thousand, eight hundred ninety-nine".