4718273785921 has 64 divisors (see below), whose sum is σ = 5443479838720. Its totient is φ = 4068500244480.

The previous prime is 4718273785919. The next prime is 4718273785933. The reversal of 4718273785921 is 1295873728174.

It is a cyclic number.

It is not a de Polignac number, because 4718273785921 - 2¹ = 4718273785919 is a prime.

It is a super-4 number, since 4×4718273785921⁴ (a number of 52 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (4718273780921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90872650 + ... + 90924556.

It is an arithmetic number, because the mean of its divisors is an integer number (85054372480).

Almost surely, 2^{4718273785921} is an apocalyptic number.

It is an amenable number.

4718273785921 is a deficient number, since it is larger than the sum of its proper divisors (725206052799).

4718273785921 is a wasteful number, since it uses less digits than its factorization.

4718273785921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52134.

The product of its digits is 47416320, while the sum is 64.

The spelling of 4718273785921 in words is "four trillion, seven hundred eighteen billion, two hundred seventy-three million, seven hundred eighty-five thousand, nine hundred twenty-one".