27347137545 has 32 divisors (see below), whose sum is σ = 53852827392. Its totient is φ = 11539890432.

The previous prime is 27347137523. The next prime is 27347137561. The reversal of 27347137545 is 54573174372.

It is not a de Polignac number, because 27347137545 - 2¹⁶ = 27347072009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27347137494 and 27347137503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10015902 + ... + 10018631.

It is an arithmetic number, because the mean of its divisors is an integer number (1682900856).

Almost surely, 2^27347137545 is an apocalyptic number.

It is an amenable number.

27347137545 is a deficient number, since it is larger than the sum of its proper divisors (26505689847).

27347137545 is a wasteful number, since it uses less digits than its factorization.

27347137545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20034561.

The product of its digits is 2469600, while the sum is 48.

The spelling of 27347137545 in words is "twenty-seven billion, three hundred forty-seven million, one hundred thirty-seven thousand, five hundred forty-five".