2649246859 has 4 divisors (see below), whose sum is σ = 3027710704. Its totient is φ = 2270783016.

The previous prime is 2649246827. The next prime is 2649246883. The reversal of 2649246859 is 9586429462.

2649246859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2649246859 - 2⁵ = 2649246827 is a prime.

It is a super-3 number, since 3×2649246859³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2649246959) 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, 189231912 + ... + 189231925.

It is an arithmetic number, because the mean of its divisors is an integer number (756927676).

Almost surely, 2^2649246859 is an apocalyptic number.

2649246859 is a deficient number, since it is larger than the sum of its proper divisors (378463845).

2649246859 is an equidigital number, since it uses as much as digits as its factorization.

2649246859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378463844.

The product of its digits is 7464960, while the sum is 55.

The square root of 2649246859 is about 51470.8350330554. The cubic root of 2649246859 is about 1383.6963947162.

The spelling of 2649246859 in words is "two billion, six hundred forty-nine million, two hundred forty-six thousand, eight hundred fifty-nine".