2026543003489 has 9 divisors (see below), whose sum is σ = 2041639742611. Its totient is φ = 2011557113680.

The previous prime is 2026543003483. The next prime is 2026543003493. The reversal of 2026543003489 is 9843003456202.

The square root of 2026543003489 is 1423567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1190401013025 + 836141990464 = 1091055^2 + 914408^2 .

It is not a de Polignac number, because 2026543003489 - 2²¹ = 2026540906337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026543003483) 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 8 ways as a sum of consecutive naturals, for example, 195023484 + ... + 195033874.

Almost surely, 2^{2026543003489} is an apocalyptic number.

2026543003489 is the 1423567-th square number.

2026543003489 is the 711784-th centered octagonal number.

It is an amenable number.

2026543003489 is a deficient number, since it is larger than the sum of its proper divisors (15096739122).

2026543003489 is an frugal number, since it uses more digits than its factorization.

2026543003489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21056 (or 10528 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 2026543003489 in words is "two trillion, twenty-six billion, five hundred forty-three million, three thousand, four hundred eighty-nine".