27069039841 has 4 divisors (see below), whose sum is σ = 27069409684. Its totient is φ = 27068670000.

The previous prime is 27069039821. The next prime is 27069039863. The reversal of 27069039841 is 14893096072.

27069039841 = T₁₃₄₃₃₄ + T₁₃₄₃₃₅ + T₁₃₄₃₃₆.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10019209216 + 17049830625 = 100096^2 + 130575^2 .

It is a 4-Lehmer number, since φ(27069039841) divides (27069039841-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 27069039841 - 2¹⁹ = 27068515553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27069039821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34170 + ... + 235171.

It is an arithmetic number, because the mean of its divisors is an integer number (6767352421).

Almost surely, 2^27069039841 is an apocalyptic number.

27069039841 is the 134336-th centered triangular number.

It is an amenable number.

27069039841 is a deficient number, since it is larger than the sum of its proper divisors (369843).

27069039841 is a wasteful number, since it uses less digits than its factorization.

27069039841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369842.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 27069039841 in words is "twenty-seven billion, sixty-nine million, thirty-nine thousand, eight hundred forty-one".