30726968762445 has 16 divisors (see below), whose sum is σ = 49177346796672. Its totient is φ = 16382984414400.

The previous prime is 30726968762423. The next prime is 30726968762543. The reversal of 30726968762445 is 54426786962703.

It is a de Polignac number, because none of the positive numbers 2^k-30726968762445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30726968762445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295712506 + ... + 295816395.

It is an arithmetic number, because the mean of its divisors is an integer number (3073584174792).

Almost surely, 2^{30726968762445} is an apocalyptic number.

It is an amenable number.

30726968762445 is a deficient number, since it is larger than the sum of its proper divisors (18450378034227).

30726968762445 is a wasteful number, since it uses less digits than its factorization.

30726968762445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591532372.

The product of its (nonzero) digits is 731566080, while the sum is 69.

The spelling of 30726968762445 in words is "thirty trillion, seven hundred twenty-six billion, nine hundred sixty-eight million, seven hundred sixty-two thousand, four hundred forty-five".