2143532874659 has 18 divisors (see below), whose sum is σ = 2383638897276. Its totient is φ = 1911669414720.

The previous prime is 2143532874647. The next prime is 2143532874667. The reversal of 2143532874659 is 9564782353412.

It is not a de Polignac number, because 2143532874659 - 2¹⁶ = 2143532809123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2143532874598 and 2143532874607.

It is not an unprimeable number, because it can be changed into a prime (2143532874629) 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 in 17 ways as a sum of consecutive naturals, for example, 257353607 + ... + 257361935.

It is an arithmetic number, because the mean of its divisors is an integer number (132424383182).

Almost surely, 2^{2143532874659} is an apocalyptic number.

2143532874659 is a deficient number, since it is larger than the sum of its proper divisors (240106022617).

2143532874659 is an frugal number, since it uses more digits than its factorization.

2143532874659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16775 (or 8393 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 59.

The spelling of 2143532874659 in words is "two trillion, one hundred forty-three billion, five hundred thirty-two million, eight hundred seventy-four thousand, six hundred fifty-nine".