42100041013 has 4 divisors (see below), whose sum is σ = 42112379628. Its totient is φ = 42087702400.

The previous prime is 42100041001. The next prime is 42100041019. The reversal of 42100041013 is 31014000124.

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 40691765284 + 1408275729 = 201722^2 + 37527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42100041013 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 (42100041019) 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, 6164188 + ... + 6171013.

It is an arithmetic number, because the mean of its divisors is an integer number (10528094907).

Almost surely, 2^42100041013 is an apocalyptic number.

It is an amenable number.

42100041013 is a deficient number, since it is larger than the sum of its proper divisors (12338615).

42100041013 is a wasteful number, since it uses less digits than its factorization.

42100041013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338614.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 42100041013 its reverse (31014000124), we get a palindrome (73114041137).

The spelling of 42100041013 in words is "forty-two billion, one hundred million, forty-one thousand, thirteen".