43141421013 has 4 divisors (see below), whose sum is σ = 57521894688. Its totient is φ = 28760947340.

The previous prime is 43141421009. The next prime is 43141421017. The reversal of 43141421013 is 31012414134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (43141421009) and next prime (43141421017).

It is a cyclic number.

It is not a de Polignac number, because 43141421013 - 2² = 43141421009 is a prime.

It is a super-2 number, since 2×43141421013² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43141421017) 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, 7190236833 + ... + 7190236838.

It is an arithmetic number, because the mean of its divisors is an integer number (14380473672).

Almost surely, 2^43141421013 is an apocalyptic number.

It is an amenable number.

43141421013 is a deficient number, since it is larger than the sum of its proper divisors (14380473675).

43141421013 is a wasteful number, since it uses less digits than its factorization.

43141421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14380473674.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 43141421013 its reverse (31012414134), we get a palindrome (74153835147).

The spelling of 43141421013 in words is "forty-three billion, one hundred forty-one million, four hundred twenty-one thousand, thirteen".