4643993832172 has 24 divisors (see below), whose sum is σ = 8153617006080. Its totient is φ = 2314389882960.

The previous prime is 4643993832151. The next prime is 4643993832173. The reversal of 4643993832172 is 2712383993464.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4643993832172.

It is not an unprimeable number, because it can be changed into a prime (4643993832173) 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, 22087083 + ... + 22296349.

It is an arithmetic number, because the mean of its divisors is an integer number (339734041920).

Almost surely, 2^{4643993832172} is an apocalyptic number.

It is an amenable number.

4643993832172 is a deficient number, since it is larger than the sum of its proper divisors (3509623173908).

4643993832172 is a wasteful number, since it uses less digits than its factorization.

4643993832172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227421 (or 227419 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 61.

The spelling of 4643993832172 in words is "four trillion, six hundred forty-three billion, nine hundred ninety-three million, eight hundred thirty-two thousand, one hundred seventy-two".