545889929988545 has 16 divisors (see below), whose sum is σ = 655362223183872. Its totient is φ = 436515742794240.

The previous prime is 545889929988521. The next prime is 545889929988563.

It is a happy number.

545889929988545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545889929988545 - 2¹² = 545889929984449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020459634 + ... + 2020729796.

It is an arithmetic number, because the mean of its divisors is an integer number (40960138948992).

Almost surely, 2^{545889929988545} is an apocalyptic number.

It is an amenable number.

545889929988545 is a deficient number, since it is larger than the sum of its proper divisors (109472293195327).

545889929988545 is a wasteful number, since it uses less digits than its factorization.

545889929988545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450232.

The product of its digits is 537477120000, while the sum is 98.

The spelling of 545889929988545 in words is "five hundred forty-five trillion, eight hundred eighty-nine billion, nine hundred twenty-nine million, nine hundred eighty-eight thousand, five hundred forty-five".