42847181701043 has 4 divisors (see below), whose sum is σ = 42854567878488. Its totient is φ = 42839795523600.

The previous prime is 42847181701019. The next prime is 42847181701069. The reversal of 42847181701043 is 34010718174824.

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

It is a cyclic number.

It is not a de Polignac number, because 42847181701043 - 2²² = 42847177506739 is a prime.

It is a super-2 number, since 2×42847181701043² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42847181700982 and 42847181701000.

It is not an unprimeable number, because it can be changed into a prime (42847181709043) 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, 3693080021 + ... + 3693091622.

It is an arithmetic number, because the mean of its divisors is an integer number (10713641969622).

Almost surely, 2^{42847181701043} is an apocalyptic number.

42847181701043 is a deficient number, since it is larger than the sum of its proper divisors (7386177445).

42847181701043 is an equidigital number, since it uses as much as digits as its factorization.

42847181701043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386177444.

The product of its (nonzero) digits is 1204224, while the sum is 50.

Adding to 42847181701043 its reverse (34010718174824), we get a palindrome (76857899875867).

The spelling of 42847181701043 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred eighty-one million, seven hundred one thousand, forty-three".