4042068402847 has 4 divisors (see below), whose sum is σ = 4097439202960. Its totient is φ = 3986697602736.

The previous prime is 4042068402811. The next prime is 4042068402857. The reversal of 4042068402847 is 7482048602404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042068402847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042068402847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042068402857) 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, 27685399947 + ... + 27685400092.

It is an arithmetic number, because the mean of its divisors is an integer number (1024359800740).

Almost surely, 2^{4042068402847} is an apocalyptic number.

4042068402847 is a deficient number, since it is larger than the sum of its proper divisors (55370800113).

4042068402847 is an equidigital number, since it uses as much as digits as its factorization.

4042068402847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55370800112.

The product of its (nonzero) digits is 2752512, while the sum is 49.

The spelling of 4042068402847 in words is "four trillion, forty-two billion, sixty-eight million, four hundred two thousand, eight hundred forty-seven".