4520828350821 has 8 divisors (see below), whose sum is σ = 6027877277824. Its totient is φ = 3013832495520.

The previous prime is 4520828350793. The next prime is 4520828350847. The reversal of 4520828350821 is 1280538280254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4520828350821 - 2⁵ = 4520828350789 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 (4520828350721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13068736 + ... + 13410201.

It is an arithmetic number, because the mean of its divisors is an integer number (753484659728).

Almost surely, 2^{4520828350821} is an apocalyptic number.

It is an amenable number.

4520828350821 is a deficient number, since it is larger than the sum of its proper divisors (1507048927003).

4520828350821 is a wasteful number, since it uses less digits than its factorization.

4520828350821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26535851.

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 4520828350821 in words is "four trillion, five hundred twenty billion, eight hundred twenty-eight million, three hundred fifty thousand, eight hundred twenty-one".