545031214400021 has 8 divisors (see below), whose sum is σ = 546001471855584. Its totient is φ = 544060964653360.

The previous prime is 545031214399901. The next prime is 545031214400041. The reversal of 545031214400021 is 120004412130545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545031214400021 - 2²⁶ = 545031147291157 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 (545031214400041) 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, 150291875 + ... + 153875631.

It is an arithmetic number, because the mean of its divisors is an integer number (68250183981948).

Almost surely, 2^{545031214400021} is an apocalyptic number.

It is an amenable number.

545031214400021 is a deficient number, since it is larger than the sum of its proper divisors (970257455563).

545031214400021 is a wasteful number, since it uses less digits than its factorization.

545031214400021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854451.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 545031214400021 its reverse (120004412130545), we get a palindrome (665035626530566).

The spelling of 545031214400021 in words is "five hundred forty-five trillion, thirty-one billion, two hundred fourteen million, four hundred thousand, twenty-one".