2143309545360 has 120 divisors (see below), whose sum is σ = 7621356632760. Its totient is φ = 537928667136.

The previous prime is 2143309545353. The next prime is 2143309545361. The reversal of 2143309545360 is 635459033412.

2143309545360 is a `hidden beast` number, since 2 + 1 + 43 + 3 + 0 + 9 + 545 + 3 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1008240908544 + 1135068636816 = 1004112^2 + 1065396^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2143309545361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87541255 + ... + 87565734.

It is an arithmetic number, because the mean of its divisors is an integer number (63511305273).

Almost surely, 2^{2143309545360} is an apocalyptic number.

2143309545360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143309545360 is an abundant number, since it is smaller than the sum of its proper divisors (5478047087400).

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

2143309545360 is a wasteful number, since it uses less digits than its factorization.

2143309545360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175107025 (or 175107016 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 2143309545360 in words is "two trillion, one hundred forty-three billion, three hundred nine million, five hundred forty-five thousand, three hundred sixty".