4643216454020 has 24 divisors (see below), whose sum is σ = 9760986235224. Its totient is φ = 1855337689856.

The previous prime is 4643216453987. The next prime is 4643216454029. The reversal of 4643216454020 is 204546123464.

It can be written as a sum of positive squares in 4 ways, for example, as 931028150404 + 3712188303616 = 964898^2 + 1926704^2 .

It is not an unprimeable number, because it can be changed into a prime (4643216454029) 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, 121786199 + ... + 121824318.

It is an arithmetic number, because the mean of its divisors is an integer number (406707759801).

Almost surely, 2^{4643216454020} is an apocalyptic number.

It is an amenable number.

4643216454020 is an abundant number, since it is smaller than the sum of its proper divisors (5117769781204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4643216454020 is a wasteful number, since it uses less digits than its factorization.

4643216454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243611479 (or 243611477 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 4643216454020 in words is "four trillion, six hundred forty-three billion, two hundred sixteen million, four hundred fifty-four thousand, twenty".