4451282891 has 16 divisors (see below), whose sum is σ = 4994170368. Its totient is φ = 3931740000.

The previous prime is 4451282881. The next prime is 4451282923. The reversal of 4451282891 is 1982821544.

It is a cyclic number.

It is not a de Polignac number, because 4451282891 - 2¹⁸ = 4451020747 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4451282831) 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, 298376 + ... + 312938.

It is an arithmetic number, because the mean of its divisors is an integer number (312135648).

Almost surely, 2^4451282891 is an apocalyptic number.

4451282891 is a deficient number, since it is larger than the sum of its proper divisors (542887477).

4451282891 is a wasteful number, since it uses less digits than its factorization.

4451282891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362.

The product of its digits is 184320, while the sum is 44.

The square root of 4451282891 is about 66717.9353022858. The cubic root of 4451282891 is about 1644.9842037390.

The spelling of 4451282891 in words is "four billion, four hundred fifty-one million, two hundred eighty-two thousand, eight hundred ninety-one".