21630142131603 has 8 divisors (see below), whose sum is σ = 30536671244688. Its totient is φ = 13571853886464.

The previous prime is 21630142131581. The next prime is 21630142131641. The reversal of 21630142131603 is 30613124103612.

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

It is not a de Polignac number, because 21630142131603 - 2¹⁰ = 21630142130579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21630142131803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212060216926 + ... + 212060217027.

It is an arithmetic number, because the mean of its divisors is an integer number (3817083905586).

Almost surely, 2^{21630142131603} is an apocalyptic number.

21630142131603 is a deficient number, since it is larger than the sum of its proper divisors (8906529113085).

21630142131603 is a wasteful number, since it uses less digits than its factorization.

21630142131603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424120433973.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 21630142131603 in words is "twenty-one trillion, six hundred thirty billion, one hundred forty-two million, one hundred thirty-one thousand, six hundred three".