6404575773016 has 16 divisors (see below), whose sum is σ = 12074925320640. Its totient is φ = 3184595687520.

The previous prime is 6404575772983. The next prime is 6404575773019. The reversal of 6404575773016 is 6103775754046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404575773019) 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, 2211523336 + ... + 2211526231.

It is an arithmetic number, because the mean of its divisors is an integer number (754682832540).

Almost surely, 2^{6404575773016} is an apocalyptic number.

It is an amenable number.

6404575773016 is a deficient number, since it is larger than the sum of its proper divisors (5670349547624).

6404575773016 is a wasteful number, since it uses less digits than its factorization.

6404575773016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423049754 (or 4423049750 counting only the distinct ones).

The product of its (nonzero) digits is 14817600, while the sum is 55.

The spelling of 6404575773016 in words is "six trillion, four hundred four billion, five hundred seventy-five million, seven hundred seventy-three thousand, sixteen".