43441297499 has 4 divisors (see below), whose sum is σ = 43666382136. Its totient is φ = 43216212864.

The previous prime is 43441297469. The next prime is 43441297511. The reversal of 43441297499 is 99479214434.

43441297499 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 43441297499 - 2²⁰ = 43440248923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43441297469) 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, 112542029 + ... + 112542414.

It is an arithmetic number, because the mean of its divisors is an integer number (10916595534).

Almost surely, 2^43441297499 is an apocalyptic number.

43441297499 is a deficient number, since it is larger than the sum of its proper divisors (225084637).

43441297499 is a wasteful number, since it uses less digits than its factorization.

43441297499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225084636.

The product of its digits is 7838208, while the sum is 56.

The spelling of 43441297499 in words is "forty-three billion, four hundred forty-one million, two hundred ninety-seven thousand, four hundred ninety-nine".