42972594143 has 4 divisors (see below), whose sum is σ = 42988613448. Its totient is φ = 42956574840.

The previous prime is 42972594037. The next prime is 42972594149. The reversal of 42972594143 is 34149527924.

It is a happy number.

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 42972594143 - 2¹⁴ = 42972577759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42972594091 and 42972594100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42972594149) 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, 8005628 + ... + 8010993.

It is an arithmetic number, because the mean of its divisors is an integer number (10747153362).

Almost surely, 2^42972594143 is an apocalyptic number.

42972594143 is a deficient number, since it is larger than the sum of its proper divisors (16019305).

42972594143 is a wasteful number, since it uses less digits than its factorization.

42972594143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16019304.

The product of its digits is 2177280, while the sum is 50.

The spelling of 42972594143 in words is "forty-two billion, nine hundred seventy-two million, five hundred ninety-four thousand, one hundred forty-three".