21476636702073 has 48 divisors (see below), whose sum is σ = 35498872221696. Its totient is φ = 12256660009440.

The previous prime is 21476636702057. The next prime is 21476636702123. The reversal of 21476636702073 is 37020763667412.

21476636702073 is a `hidden beast` number, since 2 + 1 + 4 + 76 + 6 + 367 + 0 + 207 + 3 = 666.

It is not a de Polignac number, because 21476636702073 - 2⁴ = 21476636702057 is a prime.

It is a super-2 number, since 2×21476636702073² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21476636702023) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 577760778 + ... + 577797948.

It is an arithmetic number, because the mean of its divisors is an integer number (739559837952).

Almost surely, 2^{21476636702073} is an apocalyptic number.

It is an amenable number.

21476636702073 is a deficient number, since it is larger than the sum of its proper divisors (14022235519623).

21476636702073 is a wasteful number, since it uses less digits than its factorization.

21476636702073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48674 (or 48671 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 54.

The spelling of 21476636702073 in words is "twenty-one trillion, four hundred seventy-six billion, six hundred thirty-six million, seven hundred two thousand, seventy-three".