2185129214 has 16 divisors (see below), whose sum is σ = 3461415552. Its totient is φ = 1032468888.

The previous prime is 2185129201. The next prime is 2185129259. The reversal of 2185129214 is 4129215812.

It is a congruent 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, 282344 + ... + 289979.

It is an arithmetic number, because the mean of its divisors is an integer number (216338472).

Almost surely, 2^2185129214 is an apocalyptic number.

2185129214 is a deficient number, since it is larger than the sum of its proper divisors (1276286338).

2185129214 is a wasteful number, since it uses less digits than its factorization.

2185129214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572431.

The product of its digits is 11520, while the sum is 35.

The square root of 2185129214 is about 46745.3656954355. The cubic root of 2185129214 is about 1297.6543924247.

The spelling of 2185129214 in words is "two billion, one hundred eighty-five million, one hundred twenty-nine thousand, two hundred fourteen".