8193740595509 has 8 divisors (see below), whose sum is σ = 9374880041280. Its totient is φ = 7015252418496.

The previous prime is 8193740595479. The next prime is 8193740595511. The reversal of 8193740595509 is 9055950473918.

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

It is not a de Polignac number, because 8193740595509 - 2⁸ = 8193740595253 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 (8193740595709) 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, 662810564 + ... + 662822925.

It is an arithmetic number, because the mean of its divisors is an integer number (1171860005160).

Almost surely, 2^{8193740595509} is an apocalyptic number.

It is an amenable number.

8193740595509 is a deficient number, since it is larger than the sum of its proper divisors (1181139445771).

8193740595509 is a wasteful number, since it uses less digits than its factorization.

8193740595509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325634379.

The product of its (nonzero) digits is 61236000, while the sum is 65.

The spelling of 8193740595509 in words is "eight trillion, one hundred ninety-three billion, seven hundred forty million, five hundred ninety-five thousand, five hundred nine".