2162688001 has 4 divisors (see below), whose sum is σ = 2163197232. Its totient is φ = 2162178772.

The previous prime is 2162687983. The next prime is 2162688007. The reversal of 2162688001 is 1008862612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2162688001 - 2⁷ = 2162687873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2162688007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248191 + ... + 256756.

It is an arithmetic number, because the mean of its divisors is an integer number (540799308).

It is a Proth number, since it is equal to 4125 ⋅ 2¹⁹ + 1 and 4125 < 2¹⁹.

Almost surely, 2^2162688001 is an apocalyptic number.

It is an amenable number.

2162688001 is a deficient number, since it is larger than the sum of its proper divisors (509231).

2162688001 is an equidigital number, since it uses as much as digits as its factorization.

2162688001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509230.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 2162688001 is about 46504.7094496891. The cubic root of 2162688001 is about 1293.1968067984.

The spelling of 2162688001 in words is "two billion, one hundred sixty-two million, six hundred eighty-eight thousand, one".