479990122101 has 12 divisors (see below), whose sum is σ = 792364646112. Its totient is φ = 274280069736.

The previous prime is 479990122093. The next prime is 479990122103. The reversal of 479990122101 is 101221099974.

It is a happy number.

It is not a de Polignac number, because 479990122101 - 2³ = 479990122093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479990122103) 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 11 ways as a sum of consecutive naturals, for example, 3809445351 + ... + 3809445476.

It is an arithmetic number, because the mean of its divisors is an integer number (66030387176).

Almost surely, 2^479990122101 is an apocalyptic number.

It is an amenable number.

479990122101 is a deficient number, since it is larger than the sum of its proper divisors (312374524011).

479990122101 is a wasteful number, since it uses less digits than its factorization.

479990122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618890840 (or 7618890837 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 479990122101 in words is "four hundred seventy-nine billion, nine hundred ninety million, one hundred twenty-two thousand, one hundred one".