642243560614 has 8 divisors (see below), whose sum is σ = 963942557040. Its totient is φ = 320929374936.

The previous prime is 642243560611. The next prime is 642243560639. The reversal of 642243560614 is 416065342246.

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 (642243560611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96198514 + ... + 96205189.

It is an arithmetic number, because the mean of its divisors is an integer number (120492819630).

Almost surely, 2^642243560614 is an apocalyptic number.

642243560614 is a deficient number, since it is larger than the sum of its proper divisors (321698996426).

642243560614 is a wasteful number, since it uses less digits than its factorization.

642243560614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192405374.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 642243560614 in words is "six hundred forty-two billion, two hundred forty-three million, five hundred sixty thousand, six hundred fourteen".