2649120216 has 32 divisors (see below), whose sum is σ = 6627018240. Its totient is φ = 882477728.

The previous prime is 2649120211. The next prime is 2649120223. The reversal of 2649120216 is 6120219462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225 + ... + 72911.

It is an arithmetic number, because the mean of its divisors is an integer number (207094320).

Almost surely, 2^2649120216 is an apocalyptic number.

It is an amenable number.

2649120216 is an abundant number, since it is smaller than the sum of its proper divisors (3977898024).

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

2649120216 is a wasteful number, since it uses less digits than its factorization.

2649120216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70303 (or 70299 counting only the distinct ones).

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

The square root of 2649120216 is about 51469.6047779658. The cubic root of 2649120216 is about 1383.6743459021.

Adding to 2649120216 its reverse (6120219462), we get a palindrome (8769339678).

The spelling of 2649120216 in words is "two billion, six hundred forty-nine million, one hundred twenty thousand, two hundred sixteen".