4179640043 has 4 divisors (see below), whose sum is σ = 4425501240. Its totient is φ = 3933778848.

The previous prime is 4179640013. The next prime is 4179640093. The reversal of 4179640043 is 3400469714.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3400469714 = 2 ⋅1700234857.

It is a cyclic number.

It is not a de Polignac number, because 4179640043 - 2¹⁴ = 4179623659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4179639979 and 4179640006.

It is not an unprimeable number, because it can be changed into a prime (4179640013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122930573 + ... + 122930606.

It is an arithmetic number, because the mean of its divisors is an integer number (1106375310).

Almost surely, 2^4179640043 is an apocalyptic number.

4179640043 is a deficient number, since it is larger than the sum of its proper divisors (245861197).

4179640043 is a wasteful number, since it uses less digits than its factorization.

4179640043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245861196.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 4179640043 is about 64650.1356765784. The cubic root of 4179640043 is about 1610.8173316184.

The spelling of 4179640043 in words is "four billion, one hundred seventy-nine million, six hundred forty thousand, forty-three".