43263842269 has 2 divisors, whose sum is σ = 43263842270. Its totient is φ = 43263842268.

The previous prime is 43263842227. The next prime is 43263842287. The reversal of 43263842269 is 96224836234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33852320100 + 9411522169 = 183990^2 + 97013^2 .

It is a cyclic number.

It is not a de Polignac number, because 43263842269 - 2¹³ = 43263834077 is a prime.

It is a super-2 number, since 2×43263842269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43263822269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21631921134 + 21631921135.

It is an arithmetic number, because the mean of its divisors is an integer number (21631921135).

Almost surely, 2^43263842269 is an apocalyptic number.

It is an amenable number.

43263842269 is a deficient number, since it is larger than the sum of its proper divisors (1).

43263842269 is an equidigital number, since it uses as much as digits as its factorization.

43263842269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 49.

The spelling of 43263842269 in words is "forty-three billion, two hundred sixty-three million, eight hundred forty-two thousand, two hundred sixty-nine".