2649163390 has 16 divisors (see below), whose sum is σ = 4777318080. Its totient is φ = 1057704480.

The previous prime is 2649163343. The next prime is 2649163423. The reversal of 2649163390 is 933619462.

It is a congruent number.

It is an unprimeable number.

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, 239430 + ... + 250249.

It is an arithmetic number, because the mean of its divisors is an integer number (298582380).

Almost surely, 2^2649163390 is an apocalyptic number.

2649163390 is a deficient number, since it is larger than the sum of its proper divisors (2128154690).

2649163390 is a wasteful number, since it uses less digits than its factorization.

2649163390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490227.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 2649163390 is about 51470.0241888422. The cubic root of 2649163390 is about 1383.6818626657.

The spelling of 2649163390 in words is "two billion, six hundred forty-nine million, one hundred sixty-three thousand, three hundred ninety".