2620833649 has 12 divisors (see below), whose sum is σ = 3049636800. Its totient is φ = 2245756968.

The previous prime is 2620833637. The next prime is 2620833653. The reversal of 2620833649 is 9463380262.

It is not a de Polignac number, because 2620833649 - 2¹⁵ = 2620800881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2620833619) 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 11 ways as a sum of consecutive naturals, for example, 227572 + ... + 238810.

It is an arithmetic number, because the mean of its divisors is an integer number (254136400).

Almost surely, 2^2620833649 is an apocalyptic number.

It is an amenable number.

2620833649 is a deficient number, since it is larger than the sum of its proper divisors (428803151).

2620833649 is a wasteful number, since it uses less digits than its factorization.

2620833649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16012 (or 16005 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 2620833649 is about 51194.0782610645. The cubic root of 2620833649 is about 1378.7318829060.

The spelling of 2620833649 in words is "two billion, six hundred twenty million, eight hundred thirty-three thousand, six hundred forty-nine".