4043432039869 has 2 divisors, whose sum is σ = 4043432039870. Its totient is φ = 4043432039868.

The previous prime is 4043432039863. The next prime is 4043432039887. The reversal of 4043432039869 is 9689302343404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3994453923769 + 48978116100 = 1998613^2 + 221310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4043432039869 is a prime.

It is a super-2 number, since 2×4043432039869² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043432039863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021716019934 + 2021716019935.

It is an arithmetic number, because the mean of its divisors is an integer number (2021716019935).

Almost surely, 2^{4043432039869} is an apocalyptic number.

It is an amenable number.

4043432039869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043432039869 is an equidigital number, since it uses as much as digits as its factorization.

4043432039869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 55.

The spelling of 4043432039869 in words is "four trillion, forty-three billion, four hundred thirty-two million, thirty-nine thousand, eight hundred sixty-nine".