4791533686 has 4 divisors (see below), whose sum is σ = 7187300532. Its totient is φ = 2395766842.

The previous prime is 4791533653. The next prime is 4791533687. The reversal of 4791533686 is 6863351974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6863351974 = 2 ⋅3431675987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791533687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1197883420 + ... + 1197883423.

It is an arithmetic number, because the mean of its divisors is an integer number (1796825133).

Almost surely, 2^4791533686 is an apocalyptic number.

4791533686 is a deficient number, since it is larger than the sum of its proper divisors (2395766846).

4791533686 is a wasteful number, since it uses less digits than its factorization.

4791533686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395766845.

The product of its digits is 3265920, while the sum is 52.

The square root of 4791533686 is about 69220.9049781928. The cubic root of 4791533686 is about 1685.8729739046.

The spelling of 4791533686 in words is "four billion, seven hundred ninety-one million, five hundred thirty-three thousand, six hundred eighty-six".