4505768300821 has 16 divisors (see below), whose sum is σ = 4548915564160. Its totient is φ = 4462802308800.

The previous prime is 4505768300749. The next prime is 4505768300843. The reversal of 4505768300821 is 1280038675054.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4505768300821 - 2³³ = 4497178366229 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 (4505768300021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304869010 + ... + 304883788.

It is an arithmetic number, because the mean of its divisors is an integer number (284307222760).

Almost surely, 2^{4505768300821} is an apocalyptic number.

It is an amenable number.

4505768300821 is a deficient number, since it is larger than the sum of its proper divisors (43147263339).

4505768300821 is a wasteful number, since it uses less digits than its factorization.

4505768300821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20716.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 4505768300821 in words is "four trillion, five hundred five billion, seven hundred sixty-eight million, three hundred thousand, eight hundred twenty-one".