42043045607471 has 4 divisors (see below), whose sum is σ = 42043104408552. Its totient is φ = 42042986806392.

The previous prime is 42043045607449. The next prime is 42043045607503. The reversal of 42043045607471 is 17470654034024.

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-42043045607471 is a prime.

It is a super-3 number, since 3×42043045607471³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043045607371) 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, 28314665 + ... + 29762498.

It is an arithmetic number, because the mean of its divisors is an integer number (10510776102138).

Almost surely, 2^{42043045607471} is an apocalyptic number.

42043045607471 is a deficient number, since it is larger than the sum of its proper divisors (58801081).

42043045607471 is an equidigital number, since it uses as much as digits as its factorization.

42043045607471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58801080.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 42043045607471 in words is "forty-two trillion, forty-three billion, forty-five million, six hundred seven thousand, four hundred seventy-one".