42851020405843 has 8 divisors (see below), whose sum is σ = 46147478227200. Its totient is φ = 39554594796288.

The previous prime is 42851020405811. The next prime is 42851020405883. The reversal of 42851020405843 is 34850402015824.

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

It is not a de Polignac number, because 42851020405843 - 2⁵ = 42851020405811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42851020405793 and 42851020405802.

It is not an unprimeable number, because it can be changed into a prime (42851020405883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254003 + ... + 10644556.

It is an arithmetic number, because the mean of its divisors is an integer number (5768434778400).

Almost surely, 2^{42851020405843} is an apocalyptic number.

42851020405843 is a deficient number, since it is larger than the sum of its proper divisors (3296457821357).

42851020405843 is a wasteful number, since it uses less digits than its factorization.

42851020405843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105901.

The product of its (nonzero) digits is 1228800, while the sum is 46.

The spelling of 42851020405843 in words is "forty-two trillion, eight hundred fifty-one billion, twenty million, four hundred five thousand, eight hundred forty-three".