27071447013 has 36 divisors (see below), whose sum is σ = 42447022020. Its totient is φ = 16618238208.

The previous prime is 27071447009. The next prime is 27071447021. The reversal of 27071447013 is 31074417072.

It can be written as a sum of positive squares in 6 ways, for example, as 6902618724 + 20168828289 = 83082^2 + 142017^2 .

It is not a de Polignac number, because 27071447013 - 2² = 27071447009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27071447033) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 600331 + ... + 643847.

It is an arithmetic number, because the mean of its divisors is an integer number (1179083945).

Almost surely, 2^27071447013 is an apocalyptic number.

It is an amenable number.

27071447013 is a deficient number, since it is larger than the sum of its proper divisors (15375575007).

27071447013 is a wasteful number, since it uses less digits than its factorization.

27071447013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43958 (or 43942 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 27071447013 in words is "twenty-seven billion, seventy-one million, four hundred forty-seven thousand, thirteen".