2146643001 has 12 divisors (see below), whose sum is σ = 3118031280. Its totient is φ = 1423099320.

The previous prime is 2146642987. The next prime is 2146643011. The reversal of 2146643001 is 1003466412.

2146643001 is a `hidden beast` number, since 2 + 14 + 6 + 643 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 2146643001 - 2⁷ = 2146642873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2146643011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664635 + ... + 667856.

It is an arithmetic number, because the mean of its divisors is an integer number (259835940).

Almost surely, 2^2146643001 is an apocalyptic number.

It is an amenable number.

2146643001 is a deficient number, since it is larger than the sum of its proper divisors (971388279).

2146643001 is a wasteful number, since it uses less digits than its factorization.

2146643001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332676 (or 1332673 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2146643001 is about 46331.8788848456. The cubic root of 2146643001 is about 1289.9907859446.

The spelling of 2146643001 in words is "two billion, one hundred forty-six million, six hundred forty-three thousand, one".