43112854069 has 2 divisors, whose sum is σ = 43112854070. Its totient is φ = 43112854068.

The previous prime is 43112854067. The next prime is 43112854073. The reversal of 43112854069 is 96045821134.

43112854069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37447281169 + 5665572900 = 193513^2 + 75270^2 .

It is a cyclic number.

It is not a de Polignac number, because 43112854069 - 2¹ = 43112854067 is a prime.

It is a super-2 number, since 2×43112854069² (a number of 22 digits) contains 22 as substring.

Together with 43112854067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43112854067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556427034 + 21556427035.

It is an arithmetic number, because the mean of its divisors is an integer number (21556427035).

Almost surely, 2^43112854069 is an apocalyptic number.

It is an amenable number.

43112854069 is a deficient number, since it is larger than the sum of its proper divisors (1).

43112854069 is an equidigital number, since it uses as much as digits as its factorization.

43112854069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 43112854069 in words is "forty-three billion, one hundred twelve million, eight hundred fifty-four thousand, sixty-nine".