2180000001 has 8 divisors (see below), whose sum is σ = 2911521600. Its totient is φ = 1450905872.

The previous prime is 2179999973. The next prime is 2180000029. The reversal of 2180000001 is 1000000812.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2179999973) and next prime (2180000029).

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 2180000001 - 2⁶ = 2179999937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2180000071) 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, 604770 + ... + 608363.

It is an arithmetic number, because the mean of its divisors is an integer number (363940200).

Almost surely, 2^2180000001 is an apocalyptic number.

It is an amenable number.

2180000001 is a deficient number, since it is larger than the sum of its proper divisors (731521599).

2180000001 is a wasteful number, since it uses less digits than its factorization.

2180000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213735.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2180000001 is about 46690.4701304238. The cubic root of 2180000001 is about 1296.6382571724.

Adding to 2180000001 its reverse (1000000812), we get a palindrome (3180000813).

The spelling of 2180000001 in words is "two billion, one hundred eighty million, one", and thus it is an aban number.