4643561504172 has 96 divisors (see below), whose sum is σ = 11650383202752. Its totient is φ = 1434265214976.

The previous prime is 4643561504171. The next prime is 4643561504191. The reversal of 4643561504172 is 2714051653464.

It is not an unprimeable number, because it can be changed into a prime (4643561504171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8014938 + ... + 8574750.

It is an arithmetic number, because the mean of its divisors is an integer number (121358158362).

Almost surely, 2^{4643561504172} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643561504172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5825191601376).

4643561504172 is an abundant number, since it is smaller than the sum of its proper divisors (7006821698580).

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

4643561504172 is a wasteful number, since it uses less digits than its factorization.

4643561504172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560467 (or 560465 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 4643561504172 in words is "four trillion, six hundred forty-three billion, five hundred sixty-one million, five hundred four thousand, one hundred seventy-two".