43117445227 has 2 divisors, whose sum is σ = 43117445228. Its totient is φ = 43117445226.

The previous prime is 43117445177. The next prime is 43117445243. The reversal of 43117445227 is 72254471134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43117445227 - 2⁷ = 43117445099 is a prime.

It is a super-2 number, since 2×43117445227² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43117445227.

It is not a weakly prime, because it can be changed into another prime (43117445297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21558722613 + 21558722614.

It is an arithmetic number, because the mean of its divisors is an integer number (21558722614).

Almost surely, 2^43117445227 is an apocalyptic number.

43117445227 is a deficient number, since it is larger than the sum of its proper divisors (1).

43117445227 is an equidigital number, since it uses as much as digits as its factorization.

43117445227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The spelling of 43117445227 in words is "forty-three billion, one hundred seventeen million, four hundred forty-five thousand, two hundred twenty-seven".