27749389536146 has 48 divisors (see below), whose sum is σ = 44255740219200. Its totient is φ = 13046979779328.

The previous prime is 27749389536133. The next prime is 27749389536179. The reversal of 27749389536146 is 64163598394772.

It is a super-3 number, since 3×27749389536146³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4363794515 + ... + 4363800873.

It is an arithmetic number, because the mean of its divisors is an integer number (921994587900).

Almost surely, 2^{27749389536146} is an apocalyptic number.

27749389536146 is a deficient number, since it is larger than the sum of its proper divisors (16506350683054).

27749389536146 is a wasteful number, since it uses less digits than its factorization.

27749389536146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891 (or 11874 counting only the distinct ones).

The product of its digits is 1646023680, while the sum is 74.

The spelling of 27749389536146 in words is "twenty-seven trillion, seven hundred forty-nine billion, three hundred eighty-nine million, five hundred thirty-six thousand, one hundred forty-six".