214661276965 has 4 divisors (see below), whose sum is σ = 257593532364. Its totient is φ = 171729021568.

The previous prime is 214661276933. The next prime is 214661276987. The reversal of 214661276965 is 569672166412.

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 101948658436 + 112712618529 = 319294^2 + 335727^2 .

It is a cyclic number.

It is not a de Polignac number, because 214661276965 - 2⁵ = 214661276933 is a prime.

It is a super-2 number, since 2×214661276965² (a number of 23 digits) contains 22 as substring.

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, 21466127692 + ... + 21466127701.

It is an arithmetic number, because the mean of its divisors is an integer number (64398383091).

Almost surely, 2^214661276965 is an apocalyptic number.

It is an amenable number.

214661276965 is a deficient number, since it is larger than the sum of its proper divisors (42932255399).

214661276965 is an equidigital number, since it uses as much as digits as its factorization.

214661276965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42932255398.

The product of its digits is 6531840, while the sum is 55.

The spelling of 214661276965 in words is "two hundred fourteen billion, six hundred sixty-one million, two hundred seventy-six thousand, nine hundred sixty-five".