43021545214 has 4 divisors (see below), whose sum is σ = 64532317824. Its totient is φ = 21510772606.

The previous prime is 43021545209. The next prime is 43021545223. The reversal of 43021545214 is 41254512034.

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

It is a congruent number.

It is an unprimeable number.

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, 10755386302 + ... + 10755386305.

It is an arithmetic number, because the mean of its divisors is an integer number (16133079456).

Almost surely, 2^43021545214 is an apocalyptic number.

43021545214 is a deficient number, since it is larger than the sum of its proper divisors (21510772610).

43021545214 is a wasteful number, since it uses less digits than its factorization.

43021545214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21510772609.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 43021545214 in words is "forty-three billion, twenty-one million, five hundred forty-five thousand, two hundred fourteen".