214406612421 has 16 divisors (see below), whose sum is σ = 298359783936. Its totient is φ = 136697880176.

The previous prime is 214406612389. The next prime is 214406612423. The reversal of 214406612421 is 124216604412.

214406612421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 214406612421 - 2⁵ = 214406612389 is a prime.

It is a super-2 number, since 2×214406612421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214406612423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94966 + ... + 661688.

It is an arithmetic number, because the mean of its divisors is an integer number (18647486496).

Almost surely, 2^214406612421 is an apocalyptic number.

It is an amenable number.

214406612421 is a deficient number, since it is larger than the sum of its proper divisors (83953171515).

214406612421 is a wasteful number, since it uses less digits than its factorization.

214406612421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572232.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 214406612421 in words is "two hundred fourteen billion, four hundred six million, six hundred twelve thousand, four hundred twenty-one".