2489532018243 has 16 divisors (see below), whose sum is σ = 3383328959136. Its totient is φ = 1627736048640.

The previous prime is 2489532018203. The next prime is 2489532018247. The reversal of 2489532018243 is 3428102359842.

It is not a de Polignac number, because 2489532018243 - 2⁶ = 2489532018179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2489532018247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655118 + ... + 3468243.

It is an arithmetic number, because the mean of its divisors is an integer number (211458059946).

Almost surely, 2^{2489532018243} is an apocalyptic number.

2489532018243 is a deficient number, since it is larger than the sum of its proper divisors (893796940893).

2489532018243 is a wasteful number, since it uses less digits than its factorization.

2489532018243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125974.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 2489532018243 in words is "two trillion, four hundred eighty-nine billion, five hundred thirty-two million, eighteen thousand, two hundred forty-three".