2180499473 has 8 divisors (see below), whose sum is σ = 2292669480. Its totient is φ = 2070794880.

The previous prime is 2180499443. The next prime is 2180499479. The reversal of 2180499473 is 3749940812.

It can be written as a sum of positive squares in 4 ways, for example, as 21224449 + 2159275024 = 4607^2 + 46468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2180499473 - 2¹² = 2180495377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2180499479) 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, 614540 + ... + 618077.

It is an arithmetic number, because the mean of its divisors is an integer number (286583685).

Almost surely, 2^2180499473 is an apocalyptic number.

It is an amenable number.

2180499473 is a deficient number, since it is larger than the sum of its proper divisors (112170007).

2180499473 is a wasteful number, since it uses less digits than its factorization.

2180499473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232707.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2180499473 is about 46695.8185815390. The cubic root of 2180499473 is about 1296.7372762930.

The spelling of 2180499473 in words is "two billion, one hundred eighty million, four hundred ninety-nine thousand, four hundred seventy-three".