2479723871 has 8 divisors (see below), whose sum is σ = 2578991184. Its totient is φ = 2382347520.

The previous prime is 2479723861. The next prime is 2479723889. The reversal of 2479723871 is 1783279742.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2479723871 is a prime.

It is a super-2 number, since 2×2479723871² = 12298060952814449282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479723861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470066 + ... + 475311.

It is an arithmetic number, because the mean of its divisors is an integer number (322373898).

Almost surely, 2^2479723871 is an apocalyptic number.

2479723871 is a deficient number, since it is larger than the sum of its proper divisors (99267313).

2479723871 is an equidigital number, since it uses as much as digits as its factorization.

2479723871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945481.

The product of its digits is 1185408, while the sum is 50.

The square root of 2479723871 is about 49796.8259129033. The cubic root of 2479723871 is about 1353.5296516399.

The spelling of 2479723871 in words is "two billion, four hundred seventy-nine million, seven hundred twenty-three thousand, eight hundred seventy-one".