42043340013 has 16 divisors (see below), whose sum is σ = 56389872000. Its totient is φ = 27863262720.

The previous prime is 42043339957. The next prime is 42043340023. The reversal of 42043340013 is 31004334024.

It is not a de Polignac number, because 42043340013 - 2⁸ = 42043339757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043340023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360288 + ... + 462486.

It is an arithmetic number, because the mean of its divisors is an integer number (3524367000).

Almost surely, 2^42043340013 is an apocalyptic number.

It is an amenable number.

42043340013 is a deficient number, since it is larger than the sum of its proper divisors (14346531987).

42043340013 is a wasteful number, since it uses less digits than its factorization.

42043340013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103012.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 42043340013 its reverse (31004334024), we get a palindrome (73047674037).

The spelling of 42043340013 in words is "forty-two billion, forty-three million, three hundred forty thousand, thirteen".