2127297944 has 8 divisors (see below), whose sum is σ = 3988683660. Its totient is φ = 1063648968.

The previous prime is 2127297911. The next prime is 2127297947. The reversal of 2127297944 is 4497927212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127297947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132956114 + ... + 132956129.

Almost surely, 2^2127297944 is an apocalyptic number.

It is an amenable number.

2127297944 is a deficient number, since it is larger than the sum of its proper divisors (1861385716).

2127297944 is a wasteful number, since it uses less digits than its factorization.

2127297944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265912249 (or 265912245 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 2127297944 is about 46122.6402540011. The cubic root of 2127297944 is about 1286.1040527829.

The spelling of 2127297944 in words is "two billion, one hundred twenty-seven million, two hundred ninety-seven thousand, nine hundred forty-four".