459796779138 has 8 divisors (see below), whose sum is σ = 919593558288. Its totient is φ = 153265593044.

The previous prime is 459796779059. The next prime is 459796779163. The reversal of 459796779138 is 831977697954.

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

459796779138 is an admirable number.

It is a super-2 number, since 2×459796779138² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459796779138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38316398256 + ... + 38316398267.

It is an arithmetic number, because the mean of its divisors is an integer number (114949194786).

Almost surely, 2^459796779138 is an apocalyptic number.

459796779138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

459796779138 is a wasteful number, since it uses less digits than its factorization.

459796779138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76632796528.

The product of its digits is 720135360, while the sum is 75.

The spelling of 459796779138 in words is "four hundred fifty-nine billion, seven hundred ninety-six million, seven hundred seventy-nine thousand, one hundred thirty-eight".