2646451330 has 32 divisors (see below), whose sum is σ = 4852457280. Its totient is φ = 1039020480.

The previous prime is 2646451243. The next prime is 2646451333. The reversal of 2646451330 is 331546462.

2646451330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2646451333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105285 + ... + 127975.

It is an arithmetic number, because the mean of its divisors is an integer number (151639290).

Almost surely, 2^2646451330 is an apocalyptic number.

2646451330 is a deficient number, since it is larger than the sum of its proper divisors (2206005950).

2646451330 is a wasteful number, since it uses less digits than its factorization.

2646451330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22914.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2646451330 is about 51443.6714280775. The cubic root of 2646451330 is about 1383.2095236687.

Adding to 2646451330 its reverse (331546462), we get a palindrome (2977997792).

The spelling of 2646451330 in words is "two billion, six hundred forty-six million, four hundred fifty-one thousand, three hundred thirty".