545199707991545 has 8 divisors (see below), whose sum is σ = 654243662757696. Its totient is φ = 436157090948016.

The previous prime is 545199707991467. The next prime is 545199707991569.

It is a happy number.

545199707991545 is nontrivially palindromic in base 10.

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 545199707991545 - 2¹⁴ = 545199707975161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545199707991545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333533807 + ... + 335164436.

It is an arithmetic number, because the mean of its divisors is an integer number (81780457844712).

Almost surely, 2^{545199707991545} is an apocalyptic number.

It is an amenable number.

545199707991545 is a deficient number, since it is larger than the sum of its proper divisors (109043954766151).

545199707991545 is a wasteful number, since it uses less digits than its factorization.

545199707991545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668861311.

The product of its (nonzero) digits is 3214890000, while the sum is 80.

The spelling of 545199707991545 in words is "five hundred forty-five trillion, one hundred ninety-nine billion, seven hundred seven million, nine hundred ninety-one thousand, five hundred forty-five".