842479359494 has 8 divisors (see below), whose sum is σ = 1338055453368. Its totient is φ = 396460875040.

The previous prime is 842479359493. The next prime is 842479359521. The reversal of 842479359494 is 494953974248.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842479359493) 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 3 ways as a sum of consecutive naturals, for example, 12389402312 + ... + 12389402379.

It is an arithmetic number, because the mean of its divisors is an integer number (167256931671).

Almost surely, 2^842479359494 is an apocalyptic number.

842479359494 is a deficient number, since it is larger than the sum of its proper divisors (495576093874).

842479359494 is a wasteful number, since it uses less digits than its factorization.

842479359494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778804710.

The product of its digits is 313528320, while the sum is 68.

The spelling of 842479359494 in words is "eight hundred forty-two billion, four hundred seventy-nine million, three hundred fifty-nine thousand, four hundred ninety-four".