2143932201 has 24 divisors (see below), whose sum is σ = 3121681160. Its totient is φ = 1417844736.

The previous prime is 2143932199. The next prime is 2143932209. The reversal of 2143932201 is 1022393412.

It is a happy number.

2143932201 is a `hidden beast` number, since 2 + 1 + 439 + 3 + 220 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 60466176 + 2083466025 = 7776^2 + 45645^2 .

It is not a de Polignac number, because 2143932201 - 2¹ = 2143932199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143932209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688035 + ... + 691143.

Almost surely, 2^2143932201 is an apocalyptic number.

It is an amenable number.

2143932201 is a deficient number, since it is larger than the sum of its proper divisors (977748959).

2143932201 is a wasteful number, since it uses less digits than its factorization.

2143932201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705 (or 3702 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2143932201 is about 46302.6154876806. The cubic root of 2143932201 is about 1289.4475532429.

The spelling of 2143932201 in words is "two billion, one hundred forty-three million, nine hundred thirty-two thousand, two hundred one".