6404573999807 has 4 divisors (see below), whose sum is σ = 6404623623216. Its totient is φ = 6404524376400.

The previous prime is 6404573999801. The next prime is 6404573999809. The reversal of 6404573999807 is 7089993754046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6404573999807 - 2²⁸ = 6404305564351 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 (6404573999801) 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, 24617603 + ... + 24876404.

It is an arithmetic number, because the mean of its divisors is an integer number (1601155905804).

Almost surely, 2^{6404573999807} is an apocalyptic number.

6404573999807 is a deficient number, since it is larger than the sum of its proper divisors (49623409).

6404573999807 is a wasteful number, since it uses less digits than its factorization.

6404573999807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49623408.

The product of its (nonzero) digits is 411505920, while the sum is 71.

The spelling of 6404573999807 in words is "six trillion, four hundred four billion, five hundred seventy-three million, nine hundred ninety-nine thousand, eight hundred seven".