180203536985473 has 8 divisors (see below), whose sum is σ = 190815176878560. Its totient is φ = 169593167296320.

The previous prime is 180203536985467. The next prime is 180203536985477. The reversal of 180203536985473 is 374589635302081.

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 180203536985473 - 2¹³ = 180203536977281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180203536985477) 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, 317258883 + ... + 317826376.

It is an arithmetic number, because the mean of its divisors is an integer number (23851897109820).

It is a 1-persistent number, because it is pandigital, but 2⋅180203536985473 = 360407073970946 is not.

Almost surely, 2^{180203536985473} is an apocalyptic number.

It is an amenable number.

180203536985473 is a deficient number, since it is larger than the sum of its proper divisors (10611639893087).

180203536985473 is a wasteful number, since it uses less digits than its factorization.

180203536985473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635101967.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 180203536985473 in words is "one hundred eighty trillion, two hundred three billion, five hundred thirty-six million, nine hundred eighty-five thousand, four hundred seventy-three".