43261807679 has 4 divisors (see below), whose sum is σ = 43325710584. Its totient is φ = 43197904776.

The previous prime is 43261807663. The next prime is 43261807709. The reversal of 43261807679 is 97670816234.

43261807679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43261807679 - 2⁴ = 43261807663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43261807679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43261807619) 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, 31950437 + ... + 31951790.

It is an arithmetic number, because the mean of its divisors is an integer number (10831427646).

Almost surely, 2^43261807679 is an apocalyptic number.

43261807679 is a deficient number, since it is larger than the sum of its proper divisors (63902905).

43261807679 is an equidigital number, since it uses as much as digits as its factorization.

43261807679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63902904.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 43261807679 in words is "forty-three billion, two hundred sixty-one million, eight hundred seven thousand, six hundred seventy-nine".