2689144534 has 16 divisors (see below), whose sum is σ = 4144282128. Its totient is φ = 1307744352.

The previous prime is 2689144519. The next prime is 2689144547. The reversal of 2689144534 is 4354419862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267157 + ... + 277039.

It is an arithmetic number, because the mean of its divisors is an integer number (259017633).

Almost surely, 2^2689144534 is an apocalyptic number.

2689144534 is a deficient number, since it is larger than the sum of its proper divisors (1455137594).

2689144534 is a wasteful number, since it uses less digits than its factorization.

2689144534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599.

The product of its digits is 829440, while the sum is 46.

The square root of 2689144534 is about 51856.9622519484. The cubic root of 2689144534 is about 1390.6079727438.

The spelling of 2689144534 in words is "two billion, six hundred eighty-nine million, one hundred forty-four thousand, five hundred thirty-four".