21364763470412 has 12 divisors (see below), whose sum is σ = 37453814774376. Its totient is φ = 10663673534880.

The previous prime is 21364763470403. The next prime is 21364763470423. The reversal of 21364763470412 is 21407436746312.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4677047513 + ... + 4677052080.

It is an arithmetic number, because the mean of its divisors is an integer number (3121151231198).

Almost surely, 2^{21364763470412} is an apocalyptic number.

It is an amenable number.

21364763470412 is a deficient number, since it is larger than the sum of its proper divisors (16089051303964).

21364763470412 is a wasteful number, since it uses less digits than its factorization.

21364763470412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9354100168 (or 9354100166 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 21364763470412 in words is "twenty-one trillion, three hundred sixty-four billion, seven hundred sixty-three million, four hundred seventy thousand, four hundred twelve".