2185534814 has 4 divisors (see below), whose sum is σ = 3278302224. Its totient is φ = 1092767406.

The previous prime is 2185534789. The next prime is 2185534829. The reversal of 2185534814 is 4184355812.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546383702 + ... + 546383705.

It is an arithmetic number, because the mean of its divisors is an integer number (819575556).

Almost surely, 2^2185534814 is an apocalyptic number.

2185534814 is a deficient number, since it is larger than the sum of its proper divisors (1092767410).

2185534814 is a wasteful number, since it uses less digits than its factorization.

2185534814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092767409.

The product of its digits is 153600, while the sum is 41.

The square root of 2185534814 is about 46749.7038921104. The cubic root of 2185534814 is about 1297.7346769308.

The spelling of 2185534814 in words is "two billion, one hundred eighty-five million, five hundred thirty-four thousand, eight hundred fourteen".