405193593009 has 4 divisors (see below), whose sum is σ = 540258124016. Its totient is φ = 270129062004.

The previous prime is 405193592983. The next prime is 405193593011. The reversal of 405193593009 is 900395391504.

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 not a de Polignac number, because 405193593009 - 2¹¹ = 405193590961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405193593109) 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, 67532265499 + ... + 67532265504.

It is an arithmetic number, because the mean of its divisors is an integer number (135064531004).

Almost surely, 2^405193593009 is an apocalyptic number.

It is an amenable number.

405193593009 is a deficient number, since it is larger than the sum of its proper divisors (135064531007).

405193593009 is a wasteful number, since it uses less digits than its factorization.

405193593009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135064531006.

The product of its (nonzero) digits is 656100, while the sum is 48.

The spelling of 405193593009 in words is "four hundred five billion, one hundred ninety-three million, five hundred ninety-three thousand, nine".