21336463312 has 40 divisors (see below), whose sum is σ = 41967885312. Its totient is φ = 10507152000.

The previous prime is 21336463273. The next prime is 21336463321.

21336463312 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×21336463312³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274093 + ... + 343219.

Almost surely, 2^21336463312 is an apocalyptic number.

It is an amenable number.

21336463312 is a deficient number, since it is larger than the sum of its proper divisors (20631422000).

21336463312 is a wasteful number, since it uses less digits than its factorization.

21336463312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69427 (or 69421 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

It can be divided in two parts, 213364 and 63312, that added together give a square (276676 = 526²).

The spelling of 21336463312 in words is "twenty-one billion, three hundred thirty-six million, four hundred sixty-three thousand, three hundred twelve".