2648720133 has 24 divisors (see below), whose sum is σ = 3980803320. Its totient is φ = 1695039360.

The previous prime is 2648720119. The next prime is 2648720161. The reversal of 2648720133 is 3310278462.

It is a happy number.

2648720133 is a `hidden beast` number, since 2 + 648 + 7 + 2 + 0 + 1 + 3 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 393704964 + 2255015169 = 19842^2 + 47487^2 .

It is not a de Polignac number, because 2648720133 - 2⁶ = 2648720069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648720183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15823 + ... + 74483.

It is an arithmetic number, because the mean of its divisors is an integer number (165866805).

Almost surely, 2^2648720133 is an apocalyptic number.

It is an amenable number.

2648720133 is a deficient number, since it is larger than the sum of its proper divisors (1332083187).

2648720133 is a wasteful number, since it uses less digits than its factorization.

2648720133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58869 (or 58866 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2648720133 is about 51465.7180363784. The cubic root of 2648720133 is about 1383.6046859887.

Adding to 2648720133 its reverse (3310278462), we get a palindrome (5958998595).

The spelling of 2648720133 in words is "two billion, six hundred forty-eight million, seven hundred twenty thousand, one hundred thirty-three".