42409131143 has 4 divisors (see below), whose sum is σ = 42433746408. Its totient is φ = 42384515880.

The previous prime is 42409131137. The next prime is 42409131151. The reversal of 42409131143 is 34113190424.

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 42409131143 - 2³² = 38114163847 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 (42409131113) 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, 12305048 + ... + 12308493.

It is an arithmetic number, because the mean of its divisors is an integer number (10608436602).

Almost surely, 2^42409131143 is an apocalyptic number.

42409131143 is a deficient number, since it is larger than the sum of its proper divisors (24615265).

42409131143 is a wasteful number, since it uses less digits than its factorization.

42409131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24615264.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 42409131143 in words is "forty-two billion, four hundred nine million, one hundred thirty-one thousand, one hundred forty-three".