4494186791 has 4 divisors (see below), whose sum is σ = 4495310712. Its totient is φ = 4493062872.

The previous prime is 4494186757. The next prime is 4494186797. The reversal of 4494186791 is 1976814944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4494186791 - 2¹⁸ = 4493924647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494186797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555941 + ... + 563966.

It is an arithmetic number, because the mean of its divisors is an integer number (1123827678).

Almost surely, 2^4494186791 is an apocalyptic number.

4494186791 is a deficient number, since it is larger than the sum of its proper divisors (1123921).

4494186791 is a wasteful number, since it uses less digits than its factorization.

4494186791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123920.

The product of its digits is 1741824, while the sum is 53.

The square root of 4494186791 is about 67038.6962209141. The cubic root of 4494186791 is about 1650.2523998336.

The spelling of 4494186791 in words is "four billion, four hundred ninety-four million, one hundred eighty-six thousand, seven hundred ninety-one".