214365901465 has 4 divisors (see below), whose sum is σ = 257239081764. Its totient is φ = 171492721168.

The previous prime is 214365901447. The next prime is 214365901493. The reversal of 214365901465 is 564109563412.

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 113371603849 + 100994297616 = 336707^2 + 317796^2 .

It is a cyclic number.

It is not a de Polignac number, because 214365901465 - 2¹¹ = 214365899417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21436590142 + ... + 21436590151.

It is an arithmetic number, because the mean of its divisors is an integer number (64309770441).

Almost surely, 2^214365901465 is an apocalyptic number.

It is an amenable number.

214365901465 is a deficient number, since it is larger than the sum of its proper divisors (42873180299).

214365901465 is an equidigital number, since it uses as much as digits as its factorization.

214365901465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42873180298.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 214365901465 in words is "two hundred fourteen billion, three hundred sixty-five million, nine hundred one thousand, four hundred sixty-five".