342394425242 has 4 divisors (see below), whose sum is σ = 513591637866. Its totient is φ = 171197212620.

The previous prime is 342394425239. The next prime is 342394425257. The reversal of 342394425242 is 242524493243.

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

It can be written as a sum of positive squares in only one way, i.e., 213018248521 + 129376176721 = 461539^2 + 359689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 342394425193 and 342394425202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85598606309 + ... + 85598606312.

Almost surely, 2^342394425242 is an apocalyptic number.

342394425242 is a deficient number, since it is larger than the sum of its proper divisors (171197212624).

342394425242 is a wasteful number, since it uses less digits than its factorization.

342394425242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171197212623.

The product of its digits is 1658880, while the sum is 44.

The spelling of 342394425242 in words is "three hundred forty-two billion, three hundred ninety-four million, four hundred twenty-five thousand, two hundred forty-two".