21364113701276 has 12 divisors (see below), whose sum is σ = 37582943475840. Its totient is φ = 10626129851040.

The previous prime is 21364113701269. The next prime is 21364113701341. The reversal of 21364113701276 is 67210731146312.

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 3 ways as a sum of consecutive naturals, for example, 13981749041 + ... + 13981750568.

It is an arithmetic number, because the mean of its divisors is an integer number (3131911956320).

Almost surely, 2^{21364113701276} is an apocalyptic number.

It is an amenable number.

21364113701276 is a deficient number, since it is larger than the sum of its proper divisors (16218829774564).

21364113701276 is a wasteful number, since it uses less digits than its factorization.

21364113701276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27963499804 (or 27963499802 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

Adding to 21364113701276 its reverse (67210731146312), we get a palindrome (88574844847588).

The spelling of 21364113701276 in words is "twenty-one trillion, three hundred sixty-four billion, one hundred thirteen million, seven hundred one thousand, two hundred seventy-six".