2146506401 has 8 divisors (see below), whose sum is σ = 2311982400. Its totient is φ = 1981081872.

The previous prime is 2146506389. The next prime is 2146506407. The reversal of 2146506401 is 1046056412.

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 2146506401 - 2⁶ = 2146506337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2146506407) 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, 153500 + ... + 166898.

It is an arithmetic number, because the mean of its divisors is an integer number (288997800).

Almost surely, 2^2146506401 is an apocalyptic number.

It is an amenable number.

2146506401 is a deficient number, since it is larger than the sum of its proper divisors (165475999).

2146506401 is a wasteful number, since it uses less digits than its factorization.

2146506401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25735.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2146506401 is about 46330.4047143989. The cubic root of 2146506401 is about 1289.9634228357.

The spelling of 2146506401 in words is "two billion, one hundred forty-six million, five hundred six thousand, four hundred one".