27036646993 has 16 divisors (see below), whose sum is σ = 29909339136. Its totient is φ = 24350483520.

The previous prime is 27036646979. The next prime is 27036647021. The reversal of 27036646993 is 39964663072.

It is a cyclic number.

It is not a de Polignac number, because 27036646993 - 2¹⁷ = 27036515921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27036646193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486046 + ... + 538807.

It is an arithmetic number, because the mean of its divisors is an integer number (1869333696).

Almost surely, 2^27036646993 is an apocalyptic number.

27036646993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27036646993 is a deficient number, since it is larger than the sum of its proper divisors (2872692143).

27036646993 is a wasteful number, since it uses less digits than its factorization.

27036646993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024944.

The product of its (nonzero) digits is 8817984, while the sum is 55.

The spelling of 27036646993 in words is "twenty-seven billion, thirty-six million, six hundred forty-six thousand, nine hundred ninety-three".