21488100359 has 8 divisors (see below), whose sum is σ = 24460762752. Its totient is φ = 18685304440.

The previous prime is 21488100307. The next prime is 21488100377. The reversal of 21488100359 is 95300188412.

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

It is not a de Polignac number, because 21488100359 - 2¹² = 21488096263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21488100259) 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, 42466349 + ... + 42466854.

It is an arithmetic number, because the mean of its divisors is an integer number (3057595344).

Almost surely, 2^21488100359 is an apocalyptic number.

21488100359 is a deficient number, since it is larger than the sum of its proper divisors (2972662393).

21488100359 is a wasteful number, since it uses less digits than its factorization.

21488100359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84933237.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 21488100359 in words is "twenty-one billion, four hundred eighty-eight million, one hundred thousand, three hundred fifty-nine".