42071558747 has 4 divisors (see below), whose sum is σ = 42392715816. Its totient is φ = 41750401680.

The previous prime is 42071558729. The next prime is 42071558777. The reversal of 42071558747 is 74785517024.

42071558747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42071558747 - 2¹⁴ = 42071542363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42071558695 and 42071558704.

It is not an unprimeable number, because it can be changed into a prime (42071558777) 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, 160578338 + ... + 160578599.

It is an arithmetic number, because the mean of its divisors is an integer number (10598178954).

Almost surely, 2^42071558747 is an apocalyptic number.

42071558747 is a deficient number, since it is larger than the sum of its proper divisors (321157069).

42071558747 is a wasteful number, since it uses less digits than its factorization.

42071558747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321157068.

The product of its (nonzero) digits is 2195200, while the sum is 50.

The spelling of 42071558747 in words is "forty-two billion, seventy-one million, five hundred fifty-eight thousand, seven hundred forty-seven".