2699984512 has 64 divisors (see below), whose sum is σ = 5769079200. Its totient is φ = 1254749184.

The previous prime is 2699984503. The next prime is 2699984519. The reversal of 2699984512 is 2154899962.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2699984519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118423 + ... + 139369.

Almost surely, 2^2699984512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2699984512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2884539600).

2699984512 is an abundant number, since it is smaller than the sum of its proper divisors (3069094688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2699984512 is a wasteful number, since it uses less digits than its factorization.

2699984512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21033 (or 21021 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The square root of 2699984512 is about 51961.3751935031. The cubic root of 2699984512 is about 1392.4739875259.

The spelling of 2699984512 in words is "two billion, six hundred ninety-nine million, nine hundred eighty-four thousand, five hundred twelve".