214147003747721 has 16 divisors (see below), whose sum is σ = 233866966132800. Its totient is φ = 194469056913600.

The previous prime is 214147003747657. The next prime is 214147003747799. The reversal of 214147003747721 is 127747300741412.

It is a cyclic number.

It is not a de Polignac number, because 214147003747721 - 2⁶ = 214147003747657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214147003747721.

It is not an unprimeable number, because it can be changed into a prime (214147003740721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843572750 + ... + 843826568.

It is an arithmetic number, because the mean of its divisors is an integer number (14616685383300).

Almost surely, 2^{214147003747721} is an apocalyptic number.

It is an amenable number.

214147003747721 is a deficient number, since it is larger than the sum of its proper divisors (19719962385079).

214147003747721 is a wasteful number, since it uses less digits than its factorization.

214147003747721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336280.

The product of its (nonzero) digits is 1843968, while the sum is 50.

The spelling of 214147003747721 in words is "two hundred fourteen trillion, one hundred forty-seven billion, three million, seven hundred forty-seven thousand, seven hundred twenty-one".