214243401451 has 4 divisors (see below), whose sum is σ = 214571493072. Its totient is φ = 213915309832.

The previous prime is 214243401439. The next prime is 214243401457. The reversal of 214243401451 is 154104342412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 214243401451 - 2⁵ = 214243401419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214243401457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164044831 + ... + 164046136.

It is an arithmetic number, because the mean of its divisors is an integer number (53642873268).

Almost surely, 2^214243401451 is an apocalyptic number.

214243401451 is a deficient number, since it is larger than the sum of its proper divisors (328091621).

214243401451 is an equidigital number, since it uses as much as digits as its factorization.

214243401451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328091620.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 214243401451 its reverse (154104342412), we get a palindrome (368347743863).

The spelling of 214243401451 in words is "two hundred fourteen billion, two hundred forty-three million, four hundred one thousand, four hundred fifty-one".