2186467473081 has 4 divisors (see below), whose sum is σ = 2915289964112. Its totient is φ = 1457644982052.

The previous prime is 2186467473041. The next prime is 2186467473083. The reversal of 2186467473081 is 1803747646812.

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 not a de Polignac number, because 2186467473081 - 2⁷ = 2186467472953 is a prime.

It is a super-2 number, since 2×2186467473081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2186467473083) 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, 364411245511 + ... + 364411245516.

It is an arithmetic number, because the mean of its divisors is an integer number (728822491028).

Almost surely, 2^{2186467473081} is an apocalyptic number.

It is an amenable number.

2186467473081 is a deficient number, since it is larger than the sum of its proper divisors (728822491031).

2186467473081 is an equidigital number, since it uses as much as digits as its factorization.

2186467473081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728822491030.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 2186467473081 in words is "two trillion, one hundred eighty-six billion, four hundred sixty-seven million, four hundred seventy-three thousand, eighty-one".