21233301093 has 8 divisors (see below), whose sum is σ = 31456742400. Its totient is φ = 14155534044.

The previous prime is 21233301073. The next prime is 21233301101. The reversal of 21233301093 is 39010333212.

It is not a de Polignac number, because 21233301093 - 2¹³ = 21233292901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 786418559 = 21233301093 / (2 + 1 + 2 + 3 + 3 + 3 + 0 + 1 + 0 + 9 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233301073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393209253 + ... + 393209306.

It is an arithmetic number, because the mean of its divisors is an integer number (3932092800).

Almost surely, 2^21233301093 is an apocalyptic number.

It is an amenable number.

21233301093 is a deficient number, since it is larger than the sum of its proper divisors (10223441307).

21233301093 is an equidigital number, since it uses as much as digits as its factorization.

21233301093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786418568 (or 786418562 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 21233301093 in words is "twenty-one billion, two hundred thirty-three million, three hundred one thousand, ninety-three".