2181410129 has 8 divisors (see below), whose sum is σ = 2190778272. Its totient is φ = 2172054240.

The previous prime is 2181410123. The next prime is 2181410219. The reversal of 2181410129 is 9210141812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2181410129 - 2⁴ = 2181410113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2181410123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567197 + ... + 571029.

It is an arithmetic number, because the mean of its divisors is an integer number (273847284).

Almost surely, 2^2181410129 is an apocalyptic number.

It is an amenable number.

2181410129 is a deficient number, since it is larger than the sum of its proper divisors (9368143).

2181410129 is a wasteful number, since it uses less digits than its factorization.

2181410129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 2181410129 is about 46705.5685009828. The cubic root of 2181410129 is about 1296.9177727405.

The spelling of 2181410129 in words is "two billion, one hundred eighty-one million, four hundred ten thousand, one hundred twenty-nine".