8743926432009 has 16 divisors (see below), whose sum is σ = 11666431304640. Its totient is φ = 5825353313280.

The previous prime is 8743926431983. The next prime is 8743926432071. The reversal of 8743926432009 is 9002346293478.

It is not a de Polignac number, because 8743926432009 - 2⁷ = 8743926431881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8743926432009.

It is not an unprimeable number, because it can be changed into a prime (8743926432809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125134009 + ... + 125203865.

It is an arithmetic number, because the mean of its divisors is an integer number (729151956540).

Almost surely, 2^{8743926432009} is an apocalyptic number.

It is an amenable number.

8743926432009 is a deficient number, since it is larger than the sum of its proper divisors (2922504872631).

8743926432009 is a wasteful number, since it uses less digits than its factorization.

8743926432009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97400.

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 8743926432009 in words is "eight trillion, seven hundred forty-three billion, nine hundred twenty-six million, four hundred thirty-two thousand, nine".