42972180043 has 4 divisors (see below), whose sum is σ = 46277732368. Its totient is φ = 39666627720.

The previous prime is 42972180011. The next prime is 42972180071. The reversal of 42972180043 is 34008127924.

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 42972180043 - 2⁵ = 42972180011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42972179978 and 42972180005.

It is not an unprimeable number, because it can be changed into a prime (42972180143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652776143 + ... + 1652776168.

It is an arithmetic number, because the mean of its divisors is an integer number (11569433092).

Almost surely, 2^42972180043 is an apocalyptic number.

42972180043 is a deficient number, since it is larger than the sum of its proper divisors (3305552325).

42972180043 is a wasteful number, since it uses less digits than its factorization.

42972180043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305552324.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 42972180043 in words is "forty-two billion, nine hundred seventy-two million, one hundred eighty thousand, forty-three".