214271409728 has 14 divisors (see below), whose sum is σ = 425194828806. Its totient is φ = 107135704832.

The previous prime is 214271409691. The next prime is 214271409739. The reversal of 214271409728 is 827904172412.

It can be written as a sum of positive squares in only one way, i.e., 214228271104 + 43138624 = 462848^2 + 6568^2 .

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, 1673995325 + ... + 1673995452.

Almost surely, 2^214271409728 is an apocalyptic number.

It is an amenable number.

214271409728 is a deficient number, since it is larger than the sum of its proper divisors (210923419078).

214271409728 is an equidigital number, since it uses as much as digits as its factorization.

214271409728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347990789 (or 3347990779 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 214271409728 in words is "two hundred fourteen billion, two hundred seventy-one million, four hundred nine thousand, seven hundred twenty-eight".