21150023046364 has 6 divisors (see below), whose sum is σ = 37012540331144. Its totient is φ = 10575011523180.

The previous prime is 21150023046353. The next prime is 21150023046367. The reversal of 21150023046364 is 46364032005112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21150023046367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643752880792 + ... + 2643752880799.

Almost surely, 2^{21150023046364} is an apocalyptic number.

It is an amenable number.

21150023046364 is a deficient number, since it is larger than the sum of its proper divisors (15862517284780).

21150023046364 is a wasteful number, since it uses less digits than its factorization.

21150023046364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287505761595 (or 5287505761593 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 21150023046364 in words is "twenty-one trillion, one hundred fifty billion, twenty-three million, forty-six thousand, three hundred sixty-four".