342643834320479 has 4 divisors (see below), whose sum is σ = 343162206233880. Its totient is φ = 342125462407080.

The previous prime is 342643834320457. The next prime is 342643834320503. The reversal of 342643834320479 is 974023438346243.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342643834320479 - 2⁴⁸ = 61168857609823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342643834320679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259185955709 + ... + 259185957030.

It is an arithmetic number, because the mean of its divisors is an integer number (85790551558470).

Almost surely, 2^{342643834320479} is an apocalyptic number.

342643834320479 is a deficient number, since it is larger than the sum of its proper divisors (518371913401).

342643834320479 is an equidigital number, since it uses as much as digits as its factorization.

342643834320479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518371913400.

The product of its (nonzero) digits is 250822656, while the sum is 62.

The spelling of 342643834320479 in words is "three hundred forty-two trillion, six hundred forty-three billion, eight hundred thirty-four million, three hundred twenty thousand, four hundred seventy-nine".