214244320415 has 4 divisors (see below), whose sum is σ = 257093184504. Its totient is φ = 171395456328.

The previous prime is 214244320391. The next prime is 214244320427. The reversal of 214244320415 is 514023442412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214244320415 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 3 ways as a sum of consecutive naturals, for example, 21424432037 + ... + 21424432046.

It is an arithmetic number, because the mean of its divisors is an integer number (64273296126).

Almost surely, 2^214244320415 is an apocalyptic number.

214244320415 is a deficient number, since it is larger than the sum of its proper divisors (42848864089).

214244320415 is an equidigital number, since it uses as much as digits as its factorization.

214244320415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42848864088.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 214244320415 its reverse (514023442412), we get a palindrome (728267762827).

The spelling of 214244320415 in words is "two hundred fourteen billion, two hundred forty-four million, three hundred twenty thousand, four hundred fifteen".