2186481005 has 8 divisors (see below), whose sum is σ = 2687772024. Its totient is φ = 1706521600.

The previous prime is 2186481001. The next prime is 2186481041. The reversal of 2186481005 is 5001846812.

It can be written as a sum of positive squares in 4 ways, for example, as 25532809 + 2160948196 = 5053^2 + 46486^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2186481005 - 2² = 2186481001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186481001) 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, 5332676 + ... + 5333085.

It is an arithmetic number, because the mean of its divisors is an integer number (335971503).

Almost surely, 2^2186481005 is an apocalyptic number.

It is an amenable number.

2186481005 is a deficient number, since it is larger than the sum of its proper divisors (501291019).

2186481005 is a wasteful number, since it uses less digits than its factorization.

2186481005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665807.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2186481005 is about 46759.8225509892. The cubic root of 2186481005 is about 1297.9219274696.

The spelling of 2186481005 in words is "two billion, one hundred eighty-six million, four hundred eighty-one thousand, five".