2584123765442 has 18 divisors (see below), whose sum is σ = 3905156165547. Its totient is φ = 1282476184384.

The previous prime is 2584123765409. The next prime is 2584123765463. The reversal of 2584123765442 is 2445673214852.

2584123765442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1607521²+1.

It can be written as a sum of positive squares in 5 ways, for example, as 2584123765441 + 1 = 1607521^2 + 1^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1136689.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 311448638 + ... + 311456934.

Almost surely, 2^{2584123765442} is an apocalyptic number.

2584123765442 is a deficient number, since it is larger than the sum of its proper divisors (1321032400105).

2584123765442 is an frugal number, since it uses more digits than its factorization.

2584123765442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16870 (or 8436 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 53.

The spelling of 2584123765442 in words is "two trillion, five hundred eighty-four billion, one hundred twenty-three million, seven hundred sixty-five thousand, four hundred forty-two".