42873149591 has 4 divisors (see below), whose sum is σ = 43160889000. Its totient is φ = 42585410184.

The previous prime is 42873149573. The next prime is 42873149617. The reversal of 42873149591 is 19594137824.

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 42873149591 - 2¹⁰ = 42873148567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873149531) 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, 143869481 + ... + 143869778.

It is an arithmetic number, because the mean of its divisors is an integer number (10790222250).

Almost surely, 2^42873149591 is an apocalyptic number.

42873149591 is a deficient number, since it is larger than the sum of its proper divisors (287739409).

42873149591 is a wasteful number, since it uses less digits than its factorization.

42873149591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287739408.

The product of its digits is 2177280, while the sum is 53.

The spelling of 42873149591 in words is "forty-two billion, eight hundred seventy-three million, one hundred forty-nine thousand, five hundred ninety-one".