27102068613 has 32 divisors (see below), whose sum is σ = 40576252800. Its totient is φ = 17877024000.

The previous prime is 27102068611. The next prime is 27102068621. The reversal of 27102068613 is 31686020172.

27102068613 is a `hidden beast` number, since 2 + 7 + 10 + 20 + 6 + 8 + 613 = 666.

It is not a de Polignac number, because 27102068613 - 2¹ = 27102068611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27102068611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5939853 + ... + 5944413.

It is an arithmetic number, because the mean of its divisors is an integer number (1268007900).

Almost surely, 2^27102068613 is an apocalyptic number.

It is an amenable number.

27102068613 is a deficient number, since it is larger than the sum of its proper divisors (13474184187).

27102068613 is a wasteful number, since it uses less digits than its factorization.

27102068613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 27102068613 its reverse (31686020172), we get a palindrome (58788088785).

The spelling of 27102068613 in words is "twenty-seven billion, one hundred two million, sixty-eight thousand, six hundred thirteen".