42647151843 has 6 divisors (see below), whose sum is σ = 61601441564. Its totient is φ = 28431434556.

The previous prime is 42647151821. The next prime is 42647151851. The reversal of 42647151843 is 34815174624.

42647151843 is a `hidden beast` number, since 4 + 2 + 64 + 71 + 518 + 4 + 3 = 666.

It is not a de Polignac number, because 42647151843 - 2²⁶ = 42580042979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42647151853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2369286205 + ... + 2369286222.

Almost surely, 2^42647151843 is an apocalyptic number.

42647151843 is a deficient number, since it is larger than the sum of its proper divisors (18954289721).

42647151843 is a wasteful number, since it uses less digits than its factorization.

42647151843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738572433 (or 4738572430 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 42647151843 in words is "forty-two billion, six hundred forty-seven million, one hundred fifty-one thousand, eight hundred forty-three".