2649855022 has 4 divisors (see below), whose sum is σ = 3974782536. Its totient is φ = 1324927510.

The previous prime is 2649855017. The next prime is 2649855041. The reversal of 2649855022 is 2205589462.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2649855022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662463754 + ... + 662463757.

It is an arithmetic number, because the mean of its divisors is an integer number (993695634).

Almost surely, 2^2649855022 is an apocalyptic number.

2649855022 is a deficient number, since it is larger than the sum of its proper divisors (1324927514).

2649855022 is a wasteful number, since it uses less digits than its factorization.

2649855022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324927513.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2649855022 is about 51476.7425348574. The cubic root of 2649855022 is about 1383.8022673926.

The spelling of 2649855022 in words is "two billion, six hundred forty-nine million, eight hundred fifty-five thousand, twenty-two".