2141432866 has 4 divisors (see below), whose sum is σ = 3212149302. Its totient is φ = 1070716432.

The previous prime is 2141432803. The next prime is 2141432869. The reversal of 2141432866 is 6682341412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1364194225 + 777238641 = 36935^2 + 27879^2 .

It is not an unprimeable number, because it can be changed into a prime (2141432869) 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 as a sum of consecutive naturals, namely, 535358215 + ... + 535358218.

Almost surely, 2^2141432866 is an apocalyptic number.

2141432866 is a deficient number, since it is larger than the sum of its proper divisors (1070716436).

2141432866 is a wasteful number, since it uses less digits than its factorization.

2141432866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070716435.

The product of its digits is 55296, while the sum is 37.

The square root of 2141432866 is about 46275.6184831710. The cubic root of 2141432866 is about 1288.9462913490.

The spelling of 2141432866 in words is "two billion, one hundred forty-one million, four hundred thirty-two thousand, eight hundred sixty-six".