545214435521 has 8 divisors (see below), whose sum is σ = 623325009600. Its totient is φ = 467159560848.

The previous prime is 545214435497. The next prime is 545214435523. The reversal of 545214435521 is 125534412545.

It is a happy number.

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 545214435521 - 2¹⁸ = 545214173377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545214435523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13903871 + ... + 13943028.

It is an arithmetic number, because the mean of its divisors is an integer number (77915626200).

Almost surely, 2^545214435521 is an apocalyptic number.

It is an amenable number.

545214435521 is a deficient number, since it is larger than the sum of its proper divisors (78110574079).

545214435521 is a wasteful number, since it uses less digits than its factorization.

545214435521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27849703.

The product of its digits is 480000, while the sum is 41.

The spelling of 545214435521 in words is "five hundred forty-five billion, two hundred fourteen million, four hundred thirty-five thousand, five hundred twenty-one".