479971839999 has 32 divisors (see below), whose sum is σ = 687170905344. Its totient is φ = 296923128320.

The previous prime is 479971839989. The next prime is 479971840021. The reversal of 479971839999 is 999938179974.

It is a Cunningham number, because it is equal to 692800²-1.

It is a cyclic number.

It is not a de Polignac number, because 479971839999 - 2¹⁹ = 479971315711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479971839989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1962937 + ... + 2193869.

It is an arithmetic number, because the mean of its divisors is an integer number (21474090792).

Almost surely, 2^479971839999 is an apocalyptic number.

479971839999 is a deficient number, since it is larger than the sum of its proper divisors (207199065345).

479971839999 is a wasteful number, since it uses less digits than its factorization.

479971839999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231527.

The product of its digits is 2499898464, while the sum is 84.

The spelling of 479971839999 in words is "four hundred seventy-nine billion, nine hundred seventy-one million, eight hundred thirty-nine thousand, nine hundred ninety-nine".