545948116689 has 8 divisors (see below), whose sum is σ = 731625903360. Its totient is φ = 362117870576.

The previous prime is 545948116601. The next prime is 545948116691. The reversal of 545948116689 is 986611849545.

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 545948116689 - 2²⁰ = 545947068113 is a prime.

It is a super-2 number, since 2×545948116689² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545948106689) 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, 461884449 + ... + 461885630.

It is an arithmetic number, because the mean of its divisors is an integer number (91453237920).

Almost surely, 2^545948116689 is an apocalyptic number.

It is an amenable number.

545948116689 is a deficient number, since it is larger than the sum of its proper divisors (185677786671).

545948116689 is a wasteful number, since it uses less digits than its factorization.

545948116689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923770279.

The product of its digits is 74649600, while the sum is 66.

The spelling of 545948116689 in words is "five hundred forty-five billion, nine hundred forty-eight million, one hundred sixteen thousand, six hundred eighty-nine".