21383762559230 has 32 divisors (see below), whose sum is σ = 38565729460800. Its totient is φ = 8536855874560.

The previous prime is 21383762559221. The next prime is 21383762559239. The reversal of 21383762559230 is 3295526738312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21383762559221) and next prime (21383762559239).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21383762559239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21172340 + ... + 22159320.

It is an arithmetic number, because the mean of its divisors is an integer number (1205179045650).

Almost surely, 2^{21383762559230} is an apocalyptic number.

21383762559230 is a deficient number, since it is larger than the sum of its proper divisors (17181966901570).

21383762559230 is a wasteful number, since it uses less digits than its factorization.

21383762559230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991204.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 21383762559230 in words is "twenty-one trillion, three hundred eighty-three billion, seven hundred sixty-two million, five hundred fifty-nine thousand, two hundred thirty".