43865242492343 has 4 divisors (see below), whose sum is σ = 43877185115808. Its totient is φ = 43853299868880.

The previous prime is 43865242492321. The next prime is 43865242492363. The reversal of 43865242492343 is 34329424256834.

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 43865242492343 - 2¹² = 43865242488247 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 (43865242492363) 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, 5971306223 + ... + 5971313568.

It is an arithmetic number, because the mean of its divisors is an integer number (10969296278952).

Almost surely, 2^{43865242492343} is an apocalyptic number.

43865242492343 is a deficient number, since it is larger than the sum of its proper divisors (11942623465).

43865242492343 is a wasteful number, since it uses less digits than its factorization.

43865242492343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942623464.

The product of its digits is 119439360, while the sum is 59.

The spelling of 43865242492343 in words is "forty-three trillion, eight hundred sixty-five billion, two hundred forty-two million, four hundred ninety-two thousand, three hundred forty-three".