43314227135581 has 2 divisors, whose sum is σ = 43314227135582. Its totient is φ = 43314227135580.

The previous prime is 43314227135507. The next prime is 43314227135633. The reversal of 43314227135581 is 18553172241334.

43314227135581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29503267119481 + 13810960016100 = 5431691^2 + 3716310^2 .

It is a cyclic number.

It is not a de Polignac number, because 43314227135581 - 2³⁵ = 43279867397213 is a prime.

It is a super-2 number, since 2×43314227135581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43314227135681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21657113567790 + 21657113567791.

It is an arithmetic number, because the mean of its divisors is an integer number (21657113567791).

Almost surely, 2^{43314227135581} is an apocalyptic number.

It is an amenable number.

43314227135581 is a deficient number, since it is larger than the sum of its proper divisors (1).

43314227135581 is an equidigital number, since it uses as much as digits as its factorization.

43314227135581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The spelling of 43314227135581 in words is "forty-three trillion, three hundred fourteen billion, two hundred twenty-seven million, one hundred thirty-five thousand, five hundred eighty-one".