2643022147 has 16 divisors (see below), whose sum is σ = 2903826240. Its totient is φ = 2395312128.

The previous prime is 2643022117. The next prime is 2643022153. The reversal of 2643022147 is 7412203462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2643022147 - 2¹⁵ = 2642989379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2643022117) 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, 39354 + ... + 82672.

It is an arithmetic number, because the mean of its divisors is an integer number (181489140).

Almost surely, 2^2643022147 is an apocalyptic number.

2643022147 is a deficient number, since it is larger than the sum of its proper divisors (260804093).

2643022147 is a wasteful number, since it uses less digits than its factorization.

2643022147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43470.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2643022147 is about 51410.3311310091. The cubic root of 2643022147 is about 1382.6118265773.

The spelling of 2643022147 in words is "two billion, six hundred forty-three million, twenty-two thousand, one hundred forty-seven".