2129144161 has 8 divisors (see below), whose sum is σ = 2248510880. Its totient is φ = 2010508128.

The previous prime is 2129144159. The next prime is 2129144219. The reversal of 2129144161 is 1614419212.

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 2129144161 - 2¹ = 2129144159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2129144111) 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, 176676 + ... + 188341.

It is an arithmetic number, because the mean of its divisors is an integer number (281063860).

Almost surely, 2^2129144161 is an apocalyptic number.

It is an amenable number.

2129144161 is a deficient number, since it is larger than the sum of its proper divisors (119366719).

2129144161 is a wasteful number, since it uses less digits than its factorization.

2129144161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365343.

The product of its digits is 3456, while the sum is 31.

The square root of 2129144161 is about 46142.6501297877. The cubic root of 2129144161 is about 1286.4760020290.

The spelling of 2129144161 in words is "two billion, one hundred twenty-nine million, one hundred forty-four thousand, one hundred sixty-one".