43143040019 has 16 divisors (see below), whose sum is σ = 44382437568. Its totient is φ = 41921273472.

The previous prime is 43143040013. The next prime is 43143040067. The reversal of 43143040019 is 91004034134.

It is not a de Polignac number, because 43143040019 - 2²⁰ = 43141991443 is a prime.

It is a super-2 number, since 2×43143040019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43143039973 and 43143040000.

It is not an unprimeable number, because it can be changed into a prime (43143040013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442929 + ... + 2460525.

It is an arithmetic number, because the mean of its divisors is an integer number (2773902348).

Almost surely, 2^43143040019 is an apocalyptic number.

43143040019 is a deficient number, since it is larger than the sum of its proper divisors (1239397549).

43143040019 is a wasteful number, since it uses less digits than its factorization.

43143040019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18094.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 43143040019 in words is "forty-three billion, one hundred forty-three million, forty thousand, nineteen".