21488048844231 has 8 divisors (see below), whose sum is σ = 28658042533120. Its totient is φ = 14321710525752.

The previous prime is 21488048844191. The next prime is 21488048844263. The reversal of 21488048844231 is 13244884088412.

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

It is not a de Polignac number, because 21488048844231 - 2¹⁰ = 21488048843207 is a prime.

It is a super-2 number, since 2×21488048844231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21488048844331) 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, 913828885 + ... + 913852398.

It is an arithmetic number, because the mean of its divisors is an integer number (3582255316640).

Almost surely, 2^{21488048844231} is an apocalyptic number.

21488048844231 is a deficient number, since it is larger than the sum of its proper divisors (7169993688889).

21488048844231 is a wasteful number, since it uses less digits than its factorization.

21488048844231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827685205.

The product of its (nonzero) digits is 12582912, while the sum is 57.

The spelling of 21488048844231 in words is "twenty-one trillion, four hundred eighty-eight billion, forty-eight million, eight hundred forty-four thousand, two hundred thirty-one".