4791971823 has 16 divisors (see below), whose sum is σ = 6686012160. Its totient is φ = 3047078144.

The previous prime is 4791971797. The next prime is 4791971843. The reversal of 4791971823 is 3281791974.

It is a cyclic number.

It is not a de Polignac number, because 4791971823 - 2⁶ = 4791971759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791971843) 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, 74013 + ... + 122726.

It is an arithmetic number, because the mean of its divisors is an integer number (417875760).

Almost surely, 2^4791971823 is an apocalyptic number.

4791971823 is a deficient number, since it is larger than the sum of its proper divisors (1894040337).

4791971823 is a wasteful number, since it uses less digits than its factorization.

4791971823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197118.

The product of its digits is 762048, while the sum is 51.

The square root of 4791971823 is about 69224.0696795558. The cubic root of 4791971823 is about 1685.9243576482.

The spelling of 4791971823 in words is "four billion, seven hundred ninety-one million, nine hundred seventy-one thousand, eight hundred twenty-three".