43867865159 has 2 divisors, whose sum is σ = 43867865160. Its totient is φ = 43867865158.

The previous prime is 43867865143. The next prime is 43867865233. The reversal of 43867865159 is 95156876834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43867865159 - 2⁴ = 43867865143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43867865059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21933932579 + 21933932580.

It is an arithmetic number, because the mean of its divisors is an integer number (21933932580).

Almost surely, 2^43867865159 is an apocalyptic number.

43867865159 is a deficient number, since it is larger than the sum of its proper divisors (1).

43867865159 is an equidigital number, since it uses as much as digits as its factorization.

43867865159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 62.

The spelling of 43867865159 in words is "forty-three billion, eight hundred sixty-seven million, eight hundred sixty-five thousand, one hundred fifty-nine".