21383114592 has 192 divisors, whose sum is σ = 66183796224. Its totient is φ = 5917224960.

The previous prime is 21383114551. The next prime is 21383114593. The reversal of 21383114592 is 29541138312.

It is a self number, because there is not a number n which added to its sum of digits gives 21383114592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21383114593) 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 31 ways as a sum of consecutive naturals, for example, 5791467 + ... + 5795157.

It is an arithmetic number, because the mean of its divisors is an integer number (344707272).

Almost surely, 2^21383114592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21383114592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33091898112).

21383114592 is an abundant number, since it is smaller than the sum of its proper divisors (44800681632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21383114592 is a wasteful number, since it uses less digits than its factorization.

21383114592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3973 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The spelling of 21383114592 in words is "twenty-one billion, three hundred eighty-three million, one hundred fourteen thousand, five hundred ninety-two".