43338731089 has 2 divisors, whose sum is σ = 43338731090. Its totient is φ = 43338731088.

The previous prime is 43338731021. The next prime is 43338731141. The reversal of 43338731089 is 98013783334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31108140625 + 12230590464 = 176375^2 + 110592^2 .

It is a cyclic number.

It is not a de Polignac number, because 43338731089 - 2¹⁵ = 43338698321 is a prime.

It is a super-2 number, since 2×43338731089² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43338737089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21669365544 + 21669365545.

It is an arithmetic number, because the mean of its divisors is an integer number (21669365545).

Almost surely, 2^43338731089 is an apocalyptic number.

It is an amenable number.

43338731089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43338731089 is an equidigital number, since it uses as much as digits as its factorization.

43338731089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 43338731089 in words is "forty-three billion, three hundred thirty-eight million, seven hundred thirty-one thousand, eighty-nine".