21471063303 has 16 divisors (see below), whose sum is σ = 28679423616. Its totient is φ = 14288398560.

The previous prime is 21471063287. The next prime is 21471063343. The reversal of 21471063303 is 30336017412.

It is not a de Polignac number, because 21471063303 - 2⁴ = 21471063287 is a prime.

It is a super-2 number, since 2×21471063303² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21471063343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6962800 + ... + 6965882.

It is an arithmetic number, because the mean of its divisors is an integer number (1792463976).

Almost surely, 2^21471063303 is an apocalyptic number.

21471063303 is a deficient number, since it is larger than the sum of its proper divisors (7208360313).

21471063303 is a wasteful number, since it uses less digits than its factorization.

21471063303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494.

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 21471063303 in words is "twenty-one billion, four hundred seventy-one million, sixty-three thousand, three hundred three".