545797969797545 has 8 divisors (see below), whose sum is σ = 654957954244296. Its totient is φ = 436638115513216.

The previous prime is 545797969797541. The next prime is 545797969797799.

545797969797545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 69234181621264 + 476563788176281 = 8320708^2 + 21830341^2 .

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 545797969797545 - 2² = 545797969797541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545797969797541) 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, 23064692 + ... + 40293621.

It is an arithmetic number, because the mean of its divisors is an integer number (81869744280537).

Almost surely, 2^{545797969797545} is an apocalyptic number.

It is an amenable number.

545797969797545 is a deficient number, since it is larger than the sum of its proper divisors (109159984446751).

545797969797545 is a wasteful number, since it uses less digits than its factorization.

545797969797545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65081211.

The product of its digits is 945177660000, while the sum is 98.

The spelling of 545797969797545 in words is "five hundred forty-five trillion, seven hundred ninety-seven billion, nine hundred sixty-nine million, seven hundred ninety-seven thousand, five hundred forty-five".