43091507867109 has 64 divisors (see below), whose sum is σ = 62239806397440. Its totient is φ = 26361977241600.

The previous prime is 43091507867077. The next prime is 43091507867129. The reversal of 43091507867109 is 90176870519034.

It is not a de Polignac number, because 43091507867109 - 2⁵ = 43091507867077 is a prime.

It is a super-3 number, since 3×43091507867109³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43091507867129) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14722071604 + ... + 14722074530.

It is an arithmetic number, because the mean of its divisors is an integer number (972496974960).

Almost surely, 2^{43091507867109} is an apocalyptic number.

It is an amenable number.

43091507867109 is a deficient number, since it is larger than the sum of its proper divisors (19148298530331).

43091507867109 is a wasteful number, since it uses less digits than its factorization.

43091507867109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 43091507867109 in words is "forty-three trillion, ninety-one billion, five hundred seven million, eight hundred sixty-seven thousand, one hundred nine".