21141300009 has 16 divisors (see below), whose sum is σ = 28736404992. Its totient is φ = 13820496768.

The previous prime is 21141299999. The next prime is 21141300017. The reversal of 21141300009 is 90000314112.

It is not a de Polignac number, because 21141300009 - 2¹⁵ = 21141267241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21141300049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253389 + ... + 326325.

It is an arithmetic number, because the mean of its divisors is an integer number (1796025312).

Almost surely, 2^21141300009 is an apocalyptic number.

It is an amenable number.

21141300009 is a deficient number, since it is larger than the sum of its proper divisors (7595104983).

21141300009 is a wasteful number, since it uses less digits than its factorization.

21141300009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74816.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 21141300009 in words is "twenty-one billion, one hundred forty-one million, three hundred thousand, nine".