2187033549 has 16 divisors (see below), whose sum is σ = 2971339584. Its totient is φ = 1430496000.

The previous prime is 2187033533. The next prime is 2187033577. The reversal of 2187033549 is 9453307812.

It is not a de Polignac number, because 2187033549 - 2⁴ = 2187033533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2187033549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187033509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58482 + ... + 88284.

It is an arithmetic number, because the mean of its divisors is an integer number (185708724).

Almost surely, 2^2187033549 is an apocalyptic number.

It is an amenable number.

2187033549 is a deficient number, since it is larger than the sum of its proper divisors (784306035).

2187033549 is a wasteful number, since it uses less digits than its factorization.

2187033549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30268.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2187033549 is about 46765.7304978763. The cubic root of 2187033549 is about 1298.0312505583.

The spelling of 2187033549 in words is "two billion, one hundred eighty-seven million, thirty-three thousand, five hundred forty-nine".