2186286471264 has 96 divisors (see below), whose sum is σ = 6666381824256. Its totient is φ = 614413048320.

The previous prime is 2186286471263. The next prime is 2186286471293. The reversal of 2186286471264 is 4621746826812.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186286471263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26626242 + ... + 26708225.

It is an arithmetic number, because the mean of its divisors is an integer number (69441477336).

Almost surely, 2^{2186286471264} is an apocalyptic number.

2186286471264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2186286471264 is an abundant number, since it is smaller than the sum of its proper divisors (4480095352992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2186286471264 is a wasteful number, since it uses less digits than its factorization.

2186286471264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53334548 (or 53334540 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The spelling of 2186286471264 in words is "two trillion, one hundred eighty-six billion, two hundred eighty-six million, four hundred seventy-one thousand, two hundred sixty-four".