42113213012441 has 4 divisors (see below), whose sum is σ = 42148278136884. Its totient is φ = 42078147888000.

The previous prime is 42113213012383. The next prime is 42113213012477. The reversal of 42113213012441 is 14421031231124.

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 239747329600 + 41873465682841 = 489640^2 + 6470971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42113213012441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42113213012491) 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, 17532560420 + ... + 17532562821.

It is an arithmetic number, because the mean of its divisors is an integer number (10537069534221).

Almost surely, 2^{42113213012441} is an apocalyptic number.

It is an amenable number.

42113213012441 is a deficient number, since it is larger than the sum of its proper divisors (35065124443).

42113213012441 is a wasteful number, since it uses less digits than its factorization.

42113213012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35065124442.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 42113213012441 its reverse (14421031231124), we get a palindrome (56534244243565).

The spelling of 42113213012441 in words is "forty-two trillion, one hundred thirteen billion, two hundred thirteen million, twelve thousand, four hundred forty-one".