43249694227 has 2 divisors, whose sum is σ = 43249694228. Its totient is φ = 43249694226.

The previous prime is 43249694221. The next prime is 43249694239. The reversal of 43249694227 is 72249694234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43249694227 - 2²³ = 43241305619 is a prime.

It is not a weakly prime, because it can be changed into another prime (43249694221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21624847113 + 21624847114.

It is an arithmetic number, because the mean of its divisors is an integer number (21624847114).

Almost surely, 2^43249694227 is an apocalyptic number.

43249694227 is a deficient number, since it is larger than the sum of its proper divisors (1).

43249694227 is an equidigital number, since it uses as much as digits as its factorization.

43249694227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 52.

The spelling of 43249694227 in words is "forty-three billion, two hundred forty-nine million, six hundred ninety-four thousand, two hundred twenty-seven".