42043332445001 has 4 divisors (see below), whose sum is σ = 42046037777604. Its totient is φ = 42040627112400.

The previous prime is 42043332444983. The next prime is 42043332445027. The reversal of 42043332445001 is 10054423334024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33176724485776 + 8866607959225 = 5759924^2 + 2977685^2 .

It is a cyclic number.

It is not a de Polignac number, because 42043332445001 - 2⁶ = 42043332444937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42043332445601) 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, 1352642990 + ... + 1352674071.

It is an arithmetic number, because the mean of its divisors is an integer number (10511509444401).

Almost surely, 2^{42043332445001} is an apocalyptic number.

It is an amenable number.

42043332445001 is a deficient number, since it is larger than the sum of its proper divisors (2705332603).

42043332445001 is a wasteful number, since it uses less digits than its factorization.

42043332445001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705332602.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 42043332445001 its reverse (10054423334024), we get a palindrome (52097755779025).

The spelling of 42043332445001 in words is "forty-two trillion, forty-three billion, three hundred thirty-two million, four hundred forty-five thousand, one".