2185459530 has 16 divisors (see below), whose sum is σ = 5245102944. Its totient is φ = 582789200.

The previous prime is 2185459519. The next prime is 2185459579. The reversal of 2185459530 is 359545812.

It is a Curzon number.

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, 36424296 + ... + 36424355.

It is an arithmetic number, because the mean of its divisors is an integer number (327818934).

Almost surely, 2^2185459530 is an apocalyptic number.

2185459530 is an abundant number, since it is smaller than the sum of its proper divisors (3059643414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2185459530 is a wasteful number, since it uses less digits than its factorization.

2185459530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72848661.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 2185459530 is about 46748.8987036058. The cubic root of 2185459530 is about 1297.7197759588.

The spelling of 2185459530 in words is "two billion, one hundred eighty-five million, four hundred fifty-nine thousand, five hundred thirty".