214906646768931 has 48 divisors (see below), whose sum is σ = 337552517221920. Its totient is φ = 130964568975360.

The previous prime is 214906646768921. The next prime is 214906646768959. The reversal of 214906646768931 is 139867646609412.

214906646768931 is a `hidden beast` number, since 2 + 1 + 49 + 0 + 66 + 467 + 68 + 9 + 3 + 1 = 666.

It is not a de Polignac number, because 214906646768931 - 2⁶ = 214906646768867 is a prime.

It is a super-2 number, since 2×214906646768931² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214906646768931.

It is not an unprimeable number, because it can be changed into a prime (214906646768921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18443155 + ... + 27748211.

It is an arithmetic number, because the mean of its divisors is an integer number (7032344108790).

Almost surely, 2^{214906646768931} is an apocalyptic number.

214906646768931 is a deficient number, since it is larger than the sum of its proper divisors (122645870452989).

214906646768931 is a wasteful number, since it uses less digits than its factorization.

214906646768931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9306996 (or 9306993 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 72.

The spelling of 214906646768931 in words is "two hundred fourteen trillion, nine hundred six billion, six hundred forty-six million, seven hundred sixty-eight thousand, nine hundred thirty-one".