214430312405 has 8 divisors (see below), whose sum is σ = 257320219992. Its totient is φ = 171541686528.

The previous prime is 214430312389. The next prime is 214430312483. The reversal of 214430312405 is 504213034412.

It can be written as a sum of positive squares in 4 ways, for example, as 14866193329 + 199564119076 = 121927^2 + 446726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214430312405 - 2⁴ = 214430312389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97097 + ... + 662033.

It is an arithmetic number, because the mean of its divisors is an integer number (32165027499).

Almost surely, 2^214430312405 is an apocalyptic number.

It is an amenable number.

214430312405 is a deficient number, since it is larger than the sum of its proper divisors (42889907587).

214430312405 is an equidigital number, since it uses as much as digits as its factorization.

214430312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640855.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 214430312405 its reverse (504213034412), we get a palindrome (718643346817).

The spelling of 214430312405 in words is "two hundred fourteen billion, four hundred thirty million, three hundred twelve thousand, four hundred five".