1017843734842 has 8 divisors (see below), whose sum is σ = 1665562475232. Its totient is φ = 462656243100.

The previous prime is 1017843734839. The next prime is 1017843734899. The reversal of 1017843734842 is 2484373487101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1017843734842² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1017843734842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23132812134 + ... + 23132812177.

It is an arithmetic number, because the mean of its divisors is an integer number (208195309404).

Almost surely, 2^{1017843734842} is an apocalyptic number.

1017843734842 is a deficient number, since it is larger than the sum of its proper divisors (647718740390).

1017843734842 is a wasteful number, since it uses less digits than its factorization.

1017843734842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46265624324.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 1017843734842 in words is "one trillion, seventeen billion, eight hundred forty-three million, seven hundred thirty-four thousand, eight hundred forty-two".