4578623618671 has 4 divisors (see below), whose sum is σ = 4643111275344. Its totient is φ = 4514135962000.

The previous prime is 4578623618617. The next prime is 4578623618719. The reversal of 4578623618671 is 1768163268754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4578623618671 - 2⁹ = 4578623618159 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 (4578623618771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32243828230 + ... + 32243828371.

It is an arithmetic number, because the mean of its divisors is an integer number (1160777818836).

Almost surely, 2^{4578623618671} is an apocalyptic number.

4578623618671 is a deficient number, since it is larger than the sum of its proper divisors (64487656673).

4578623618671 is an equidigital number, since it uses as much as digits as its factorization.

4578623618671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64487656672.

The product of its digits is 81285120, while the sum is 64.

The spelling of 4578623618671 in words is "four trillion, five hundred seventy-eight billion, six hundred twenty-three million, six hundred eighteen thousand, six hundred seventy-one".