2742145568 has 18 divisors (see below), whose sum is σ = 5399182341. Its totient is φ = 1370924672.

The previous prime is 2742145541. The next prime is 2742145573. The reversal of 2742145568 is 8655412472.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2029682704 + 712462864 = 45052^2 + 26692^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=37028.

It is a super-2 number, since 2×2742145568² = 15038724632204085248, which contains 22 as substring.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 291596 + ... + 300852.

Almost surely, 2^2742145568 is an apocalyptic number.

It is an amenable number.

2742145568 is a deficient number, since it is larger than the sum of its proper divisors (2657036773).

2742145568 is an frugal number, since it uses more digits than its factorization.

2742145568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18524 (or 9259 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 2742145568 is about 52365.4997875510. The cubic root of 2742145568 is about 1399.6845493356.

The spelling of 2742145568 in words is "two billion, seven hundred forty-two million, one hundred forty-five thousand, five hundred sixty-eight".