4242434345642 has 4 divisors (see below), whose sum is σ = 6363651518466. Its totient is φ = 2121217172820.

The previous prime is 4242434345609. The next prime is 4242434345657. The reversal of 4242434345642 is 2465434342424.

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., 2268490834801 + 1973943510841 = 1506151^2 + 1404971^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060608586409 + ... + 1060608586412.

Almost surely, 2^{4242434345642} is an apocalyptic number.

4242434345642 is a deficient number, since it is larger than the sum of its proper divisors (2121217172824).

4242434345642 is a wasteful number, since it uses less digits than its factorization.

4242434345642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121217172823.

The product of its digits is 8847360, while the sum is 47.

The spelling of 4242434345642 in words is "four trillion, two hundred forty-two billion, four hundred thirty-four million, three hundred forty-five thousand, six hundred forty-two".