21601014308 has 6 divisors (see below), whose sum is σ = 37801775046. Its totient is φ = 10800507152.

The previous prime is 21601014301. The next prime is 21601014313. The reversal of 21601014308 is 80341010612.

It can be written as a sum of positive squares in only one way, i.e., 15685558564 + 5915455744 = 125242^2 + 76912^2 .

It is not an unprimeable number, because it can be changed into a prime (21601014301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700126785 + ... + 2700126792.

It is an arithmetic number, because the mean of its divisors is an integer number (6300295841).

Almost surely, 2^21601014308 is an apocalyptic number.

It is an amenable number.

21601014308 is a deficient number, since it is larger than the sum of its proper divisors (16200760738).

21601014308 is a wasteful number, since it uses less digits than its factorization.

21601014308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400253581 (or 5400253579 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 21601014308 in words is "twenty-one billion, six hundred one million, fourteen thousand, three hundred eight".