43718474993709 has 8 divisors (see below), whose sum is σ = 58318274225152. Its totient is φ = 29132162879040.

The previous prime is 43718474993707. The next prime is 43718474993747. The reversal of 43718474993709 is 90739947481734.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43718474993709 - 2¹ = 43718474993707 is a prime.

It is a super-2 number, since 2×43718474993709² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43718474993707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371771629 + ... + 3371784594.

It is an arithmetic number, because the mean of its divisors is an integer number (7289784278144).

Almost surely, 2^{43718474993709} is an apocalyptic number.

It is an amenable number.

43718474993709 is a deficient number, since it is larger than the sum of its proper divisors (14599799231443).

43718474993709 is a wasteful number, since it uses less digits than its factorization.

43718474993709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743558387.

The product of its (nonzero) digits is 1152216576, while the sum is 75.

The spelling of 43718474993709 in words is "forty-three trillion, seven hundred eighteen billion, four hundred seventy-four million, nine hundred ninety-three thousand, seven hundred nine".