214215797969 has 4 divisors (see below), whose sum is σ = 215851033200. Its totient is φ = 212580562740.

The previous prime is 214215797963. The next prime is 214215797989. The reversal of 214215797969 is 969797512412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214215797969 - 2⁴ = 214215797953 is a prime.

It is a super-2 number, since 2×214215797969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214215797963) 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, 817617419 + ... + 817617680.

It is an arithmetic number, because the mean of its divisors is an integer number (53962758300).

Almost surely, 2^214215797969 is an apocalyptic number.

It is an amenable number.

214215797969 is a deficient number, since it is larger than the sum of its proper divisors (1635235231).

214215797969 is a wasteful number, since it uses less digits than its factorization.

214215797969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635235230.

The product of its digits is 17146080, while the sum is 62.

The spelling of 214215797969 in words is "two hundred fourteen billion, two hundred fifteen million, seven hundred ninety-seven thousand, nine hundred sixty-nine".