2127147617 has 12 divisors (see below), whose sum is σ = 2541322560. Its totient is φ = 1743993768.

The previous prime is 2127147611. The next prime is 2127147643. The reversal of 2127147617 is 7167417212.

It is not a de Polignac number, because 2127147617 - 2²⁴ = 2110370401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2127147611) 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 11 ways as a sum of consecutive naturals, for example, 283517 + ... + 290922.

It is an arithmetic number, because the mean of its divisors is an integer number (211776880).

Almost surely, 2^2127147617 is an apocalyptic number.

It is an amenable number.

2127147617 is a deficient number, since it is larger than the sum of its proper divisors (414174943).

2127147617 is an equidigital number, since it uses as much as digits as its factorization.

2127147617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574492 (or 574469 counting only the distinct ones).

The product of its digits is 32928, while the sum is 38.

The square root of 2127147617 is about 46121.0105808622. The cubic root of 2127147617 is about 1286.0737575879.

The spelling of 2127147617 in words is "two billion, one hundred twenty-seven million, one hundred forty-seven thousand, six hundred seventeen".