42793427843 has 4 divisors (see below), whose sum is σ = 42824733840. Its totient is φ = 42762121848.

The previous prime is 42793427827. The next prime is 42793427869. The reversal of 42793427843 is 34872439724.

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 42793427843 - 2⁴ = 42793427827 is a prime.

It is a super-4 number, since 4×42793427843⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42793427143) 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, 15650948 + ... + 15653681.

It is an arithmetic number, because the mean of its divisors is an integer number (10706183460).

Almost surely, 2^42793427843 is an apocalyptic number.

42793427843 is a deficient number, since it is larger than the sum of its proper divisors (31305997).

42793427843 is a wasteful number, since it uses less digits than its factorization.

42793427843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31305996.

The product of its digits is 8128512, while the sum is 53.

The spelling of 42793427843 in words is "forty-two billion, seven hundred ninety-three million, four hundred twenty-seven thousand, eight hundred forty-three".