4679231891 has 4 divisors (see below), whose sum is σ = 4743331032. Its totient is φ = 4615132752.

The previous prime is 4679231881. The next prime is 4679231911. The reversal of 4679231891 is 1981329764.

4679231891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4679231891 - 2¹⁰ = 4679230867 is a prime.

It is a super-2 number, since 2×4679231891² = 43790422179502871762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4679231801) 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, 32049461 + ... + 32049606.

It is an arithmetic number, because the mean of its divisors is an integer number (1185832758).

Almost surely, 2^4679231891 is an apocalyptic number.

4679231891 is a deficient number, since it is larger than the sum of its proper divisors (64099141).

4679231891 is an equidigital number, since it uses as much as digits as its factorization.

4679231891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64099140.

The product of its digits is 653184, while the sum is 50.

The square root of 4679231891 is about 68404.9113075955. The cubic root of 4679231891 is about 1672.5978059455.

The spelling of 4679231891 in words is "four billion, six hundred seventy-nine million, two hundred thirty-one thousand, eight hundred ninety-one".