21014543302 has 8 divisors (see below), whose sum is σ = 33376039416. Its totient is φ = 9889196832.

The previous prime is 21014543279. The next prime is 21014543323. The reversal of 21014543302 is 20334541012.

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

It is a super-2 number, since 2×21014543302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 309037368 + ... + 309037435.

It is an arithmetic number, because the mean of its divisors is an integer number (4172004927).

Almost surely, 2^21014543302 is an apocalyptic number.

21014543302 is a deficient number, since it is larger than the sum of its proper divisors (12361496114).

21014543302 is a wasteful number, since it uses less digits than its factorization.

21014543302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618074822.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 21014543302 in words is "twenty-one billion, fourteen million, five hundred forty-three thousand, three hundred two".