48189354021 has 24 divisors (see below), whose sum is σ = 71866379520. Its totient is φ = 31083782400.

The previous prime is 48189354013. The next prime is 48189354047. The reversal of 48189354021 is 12045398184.

48189354021 is a `hidden beast` number, since 4 + 8 + 1 + 89 + 3 + 540 + 21 = 666.

It is not a de Polignac number, because 48189354021 - 2³ = 48189354013 is a prime.

It is a super-2 number, since 2×48189354021² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48189354221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1718965 + ... + 1746773.

It is an arithmetic number, because the mean of its divisors is an integer number (2994432480).

Almost surely, 2^48189354021 is an apocalyptic number.

It is an amenable number.

48189354021 is a deficient number, since it is larger than the sum of its proper divisors (23677025499).

48189354021 is a wasteful number, since it uses less digits than its factorization.

48189354021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34057 (or 34054 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 48189354021 in words is "forty-eight billion, one hundred eighty-nine million, three hundred fifty-four thousand, twenty-one".