2180469213 has 30 divisors (see below), whose sum is σ = 3510240734. Its totient is φ = 1340894736.

The previous prime is 2180469191. The next prime is 2180469301. The reversal of 2180469213 is 3129640812.

2180469213 is a `hidden beast` number, since 2 + 180 + 469 + 2 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1509555609 + 670913604 = 38853^2 + 25902^2 .

It is not a de Polignac number, because 2180469213 - 2⁶ = 2180469149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180467213) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1514548 + ... + 1515986.

Almost surely, 2^2180469213 is an apocalyptic number.

It is an amenable number.

2180469213 is a deficient number, since it is larger than the sum of its proper divisors (1329771521).

2180469213 is an frugal number, since it uses more digits than its factorization.

2180469213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2180469213 is about 46695.4945685341. The cubic root of 2180469213 is about 1296.7312777512.

The spelling of 2180469213 in words is "two billion, one hundred eighty million, four hundred sixty-nine thousand, two hundred thirteen".