8073356509 has 4 divisors (see below), whose sum is σ = 8210193120. Its totient is φ = 7936519900.

The previous prime is 8073356437. The next prime is 8073356513. The reversal of 8073356509 is 9056533708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8073356509 - 2¹¹ = 8073354461 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 (8073356539) 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, 68418217 + ... + 68418334.

It is an arithmetic number, because the mean of its divisors is an integer number (2052548280).

Almost surely, 2^8073356509 is an apocalyptic number.

It is an amenable number.

8073356509 is a deficient number, since it is larger than the sum of its proper divisors (136836611).

8073356509 is a wasteful number, since it uses less digits than its factorization.

8073356509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136836610.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 8073356509 is about 89851.8586841697. The cubic root of 8073356509 is about 2006.0944523782.

The spelling of 8073356509 in words is "eight billion, seventy-three million, three hundred fifty-six thousand, five hundred nine".