2649746118 has 16 divisors (see below), whose sum is σ = 5578413120. Its totient is φ = 836761896.

The previous prime is 2649746117. The next prime is 2649746147. The reversal of 2649746118 is 8116479462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649746117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11621580 + ... + 11621807.

It is an arithmetic number, because the mean of its divisors is an integer number (348650820).

Almost surely, 2^2649746118 is an apocalyptic number.

2649746118 is an abundant number, since it is smaller than the sum of its proper divisors (2928667002).

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

2649746118 is a wasteful number, since it uses less digits than its factorization.

2649746118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23243411.

The product of its digits is 580608, while the sum is 48.

The square root of 2649746118 is about 51475.6847258975. The cubic root of 2649746118 is about 1383.7833099194.

The spelling of 2649746118 in words is "two billion, six hundred forty-nine million, seven hundred forty-six thousand, one hundred eighteen".