2662442643 has 32 divisors (see below), whose sum is σ = 4213532160. Its totient is φ = 1463132160.

The previous prime is 2662442603. The next prime is 2662442647. The reversal of 2662442643 is 3462442662.

It is not a de Polignac number, because 2662442643 - 2¹² = 2662438547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2662442647) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 148008 + ... + 165018.

It is an arithmetic number, because the mean of its divisors is an integer number (131672880).

Almost surely, 2^2662442643 is an apocalyptic number.

2662442643 is a deficient number, since it is larger than the sum of its proper divisors (1551089517).

2662442643 is a wasteful number, since it uses less digits than its factorization.

2662442643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17307.

The product of its digits is 331776, while the sum is 39.

The square root of 2662442643 is about 51598.8628072364. The cubic root of 2662442643 is about 1385.9899681522.

The spelling of 2662442643 in words is "two billion, six hundred sixty-two million, four hundred forty-two thousand, six hundred forty-three".