545127846921 has 24 divisors (see below), whose sum is σ = 902964928320. Its totient is φ = 310438470816.

The previous prime is 545127846919. The next prime is 545127846953. The reversal of 545127846921 is 129648721545.

545127846921 is a `hidden beast` number, since 5 + 451 + 27 + 84 + 6 + 92 + 1 = 666.

545127846921 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545127846921 - 2¹ = 545127846919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545127846911) 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, 14747451 + ... + 14784368.

It is an arithmetic number, because the mean of its divisors is an integer number (37623538680).

Almost surely, 2^545127846921 is an apocalyptic number.

It is an amenable number.

545127846921 is a deficient number, since it is larger than the sum of its proper divisors (357837081399).

545127846921 is a wasteful number, since it uses less digits than its factorization.

545127846921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29532125 (or 29532122 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 545127846921 in words is "five hundred forty-five billion, one hundred twenty-seven million, eight hundred forty-six thousand, nine hundred twenty-one".