2184149121 has 16 divisors (see below), whose sum is σ = 3630793728. Its totient is φ = 1134622800.

The previous prime is 2184149087. The next prime is 2184149129. The reversal of 2184149121 is 1219414812.

It is not a de Polignac number, because 2184149121 - 2¹⁷ = 2184018049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2184149129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4727365 + ... + 4727826.

It is an arithmetic number, because the mean of its divisors is an integer number (226924608).

Almost surely, 2^2184149121 is an apocalyptic number.

2184149121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2184149121 is a deficient number, since it is larger than the sum of its proper divisors (1446644607).

2184149121 is a wasteful number, since it uses less digits than its factorization.

2184149121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9455212.

The product of its digits is 4608, while the sum is 33.

The square root of 2184149121 is about 46734.8812023739. The cubic root of 2184149121 is about 1297.4603516978.

The spelling of 2184149121 in words is "two billion, one hundred eighty-four million, one hundred forty-nine thousand, one hundred twenty-one".