214215797968 has 10 divisors (see below), whose sum is σ = 415043108594. Its totient is φ = 107107898976.

The previous prime is 214215797963. The next prime is 214215797989. The reversal of 214215797968 is 869797512412.

It can be written as a sum of positive squares in only one way, i.e., 137249502784 + 76966295184 = 370472^2 + 277428^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 6694243671 + ... + 6694243702.

Almost surely, 2^214215797968 is an apocalyptic number.

It is an amenable number.

214215797968 is a deficient number, since it is larger than the sum of its proper divisors (200827310626).

214215797968 is a wasteful number, since it uses less digits than its factorization.

214215797968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13388487381 (or 13388487375 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The spelling of 214215797968 in words is "two hundred fourteen billion, two hundred fifteen million, seven hundred ninety-seven thousand, nine hundred sixty-eight".