4783231391 has 4 divisors (see below), whose sum is σ = 4787175912. Its totient is φ = 4779286872.

The previous prime is 4783231381. The next prime is 4783231429. The reversal of 4783231391 is 1931323874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4783231391 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 (4783231381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970441 + ... + 1972866.

It is an arithmetic number, because the mean of its divisors is an integer number (1196793978).

Almost surely, 2^4783231391 is an apocalyptic number.

4783231391 is a deficient number, since it is larger than the sum of its proper divisors (3944521).

4783231391 is a wasteful number, since it uses less digits than its factorization.

4783231391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944520.

The product of its digits is 108864, while the sum is 41.

The square root of 4783231391 is about 69160.9094142059. The cubic root of 4783231391 is about 1684.8987064116.

The spelling of 4783231391 in words is "four billion, seven hundred eighty-three million, two hundred thirty-one thousand, three hundred ninety-one".