214257938906 has 16 divisors (see below), whose sum is σ = 350623435968. Its totient is φ = 97384545600.

The previous prime is 214257938849. The next prime is 214257938953. The reversal of 214257938906 is 609839752412.

214257938906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146786 + ... + 670866.

It is an arithmetic number, because the mean of its divisors is an integer number (21913964748).

It is a 1-persistent number, because it is pandigital, but 2⋅214257938906 = 428515877812 is not.

Almost surely, 2^214257938906 is an apocalyptic number.

214257938906 is a deficient number, since it is larger than the sum of its proper divisors (136365497062).

214257938906 is a wasteful number, since it uses less digits than its factorization.

214257938906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542677.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 214257938906 in words is "two hundred fourteen billion, two hundred fifty-seven million, nine hundred thirty-eight thousand, nine hundred six".