27142841869 has 16 divisors (see below), whose sum is σ = 33763867200. Its totient is φ = 21437372160.

The previous prime is 27142841861. The next prime is 27142841879. The reversal of 27142841869 is 96814824172.

It is a cyclic number.

It is not a de Polignac number, because 27142841869 - 2³ = 27142841861 is a prime.

It is a super-2 number, since 2×27142841869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27142841861) 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, 5580219 + ... + 5585080.

It is an arithmetic number, because the mean of its divisors is an integer number (2110241700).

Almost surely, 2^27142841869 is an apocalyptic number.

It is an amenable number.

27142841869 is a deficient number, since it is larger than the sum of its proper divisors (6621025331).

27142841869 is a wasteful number, since it uses less digits than its factorization.

27142841869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165340.

The product of its digits is 1548288, while the sum is 52.

The spelling of 27142841869 in words is "twenty-seven billion, one hundred forty-two million, eight hundred forty-one thousand, eight hundred sixty-nine".