2180897899 has 8 divisors (see below), whose sum is σ = 2199036992. Its totient is φ = 2162832840.

The previous prime is 2180897897. The next prime is 2180897903. The reversal of 2180897899 is 9987980812.

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 2180897899 - 2¹ = 2180897897 is a prime.

It is a super-2 number, since 2×2180897899² = 9512631291725228402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2180897897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41452 + ... + 77974.

It is an arithmetic number, because the mean of its divisors is an integer number (274879624).

Almost surely, 2^2180897899 is an apocalyptic number.

2180897899 is a deficient number, since it is larger than the sum of its proper divisors (18139093).

2180897899 is a wasteful number, since it uses less digits than its factorization.

2180897899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37017.

The product of its (nonzero) digits is 5225472, while the sum is 61.

The square root of 2180897899 is about 46700.0845716579. The cubic root of 2180897899 is about 1296.8162524462.

The spelling of 2180897899 in words is "two billion, one hundred eighty million, eight hundred ninety-seven thousand, eight hundred ninety-nine".