21703506141 has 8 divisors (see below), whose sum is σ = 28941984864. Its totient is φ = 14467015760.

The previous prime is 21703506137. The next prime is 21703506221. The reversal of 21703506141 is 14160530712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21703506141 - 2² = 21703506137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21703506099 and 21703506108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21703506101) 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 7 ways as a sum of consecutive naturals, for example, 471426 + ... + 515411.

It is an arithmetic number, because the mean of its divisors is an integer number (3617748108).

Almost surely, 2^21703506141 is an apocalyptic number.

It is an amenable number.

21703506141 is a deficient number, since it is larger than the sum of its proper divisors (7238478723).

21703506141 is an equidigital number, since it uses as much as digits as its factorization.

21703506141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994171.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 21703506141 in words is "twenty-one billion, seven hundred three million, five hundred six thousand, one hundred forty-one".