43261805067 has 16 divisors (see below), whose sum is σ = 62261041920. Its totient is φ = 26561994912.

The previous prime is 43261805051. The next prime is 43261805087. The reversal of 43261805067 is 76050816234.

It is not a de Polignac number, because 43261805067 - 2⁴ = 43261805051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43261805017) 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, 1246293 + ... + 1280534.

It is an arithmetic number, because the mean of its divisors is an integer number (3891315120).

Almost surely, 2^43261805067 is an apocalyptic number.

43261805067 is a deficient number, since it is larger than the sum of its proper divisors (18999236853).

43261805067 is a wasteful number, since it uses less digits than its factorization.

43261805067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527282.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 43261805067 in words is "forty-three billion, two hundred sixty-one million, eight hundred five thousand, sixty-seven".