43809099101 has 4 divisors (see below), whose sum is σ = 44038466304. Its totient is φ = 43579731900.

The previous prime is 43809099071. The next prime is 43809099119. The reversal of 43809099101 is 10199090834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43809099101 - 2¹⁰ = 43809098077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43809099401) 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, 114683315 + ... + 114683696.

It is an arithmetic number, because the mean of its divisors is an integer number (11009616576).

Almost surely, 2^43809099101 is an apocalyptic number.

It is an amenable number.

43809099101 is a deficient number, since it is larger than the sum of its proper divisors (229367203).

43809099101 is a wasteful number, since it uses less digits than its factorization.

43809099101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229367202.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 43809099101 in words is "forty-three billion, eight hundred nine million, ninety-nine thousand, one hundred one".