2127544973 has 4 divisors (see below), whose sum is σ = 2196175488. Its totient is φ = 2058914460.

The previous prime is 2127544963. The next prime is 2127544997. The reversal of 2127544973 is 3794457212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2127544973 is a prime.

It is a super-2 number, since 2×2127544973² = 9052895224275141458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127544933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34315211 + ... + 34315272.

It is an arithmetic number, because the mean of its divisors is an integer number (549043872).

Almost surely, 2^2127544973 is an apocalyptic number.

It is an amenable number.

2127544973 is a deficient number, since it is larger than the sum of its proper divisors (68630515).

2127544973 is an equidigital number, since it uses as much as digits as its factorization.

2127544973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68630514.

The product of its digits is 423360, while the sum is 44.

The square root of 2127544973 is about 46125.3181344042. The cubic root of 2127544973 is about 1286.1538331004.

The spelling of 2127544973 in words is "two billion, one hundred twenty-seven million, five hundred forty-four thousand, nine hundred seventy-three".