2143045322564 has 6 divisors (see below), whose sum is σ = 3750329314494. Its totient is φ = 1071522661280.

The previous prime is 2143045322549. The next prime is 2143045322567. The reversal of 2143045322564 is 4652235403412.

It can be written as a sum of positive squares in only one way, i.e., 2002875952900 + 140169369664 = 1415230^2 + 374392^2 .

It is not an unprimeable number, because it can be changed into a prime (2143045322567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267880665317 + ... + 267880665324.

It is an arithmetic number, because the mean of its divisors is an integer number (625054885749).

Almost surely, 2^{2143045322564} is an apocalyptic number.

It is an amenable number.

2143045322564 is a deficient number, since it is larger than the sum of its proper divisors (1607283991930).

2143045322564 is a wasteful number, since it uses less digits than its factorization.

2143045322564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535761330645 (or 535761330643 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 2143045322564 in words is "two trillion, one hundred forty-three billion, forty-five million, three hundred twenty-two thousand, five hundred sixty-four".