214774612321 has 4 divisors (see below), whose sum is σ = 217716730372. Its totient is φ = 211832494272.

The previous prime is 214774612313. The next prime is 214774612379. The reversal of 214774612321 is 123216477412.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82541290000 + 132233322321 = 287300^2 + 363639^2 .

It is a cyclic number.

It is not a de Polignac number, because 214774612321 - 2³ = 214774612313 is a prime.

It is a super-2 number, since 2×214774612321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214774612301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471058916 + ... + 1471059061.

It is an arithmetic number, because the mean of its divisors is an integer number (54429182593).

Almost surely, 2^214774612321 is an apocalyptic number.

It is an amenable number.

214774612321 is a deficient number, since it is larger than the sum of its proper divisors (2942118051).

214774612321 is an equidigital number, since it uses as much as digits as its factorization.

214774612321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942118050.

The product of its digits is 112896, while the sum is 40.

The spelling of 214774612321 in words is "two hundred fourteen billion, seven hundred seventy-four million, six hundred twelve thousand, three hundred twenty-one".