21335345332029 has 12 divisors (see below), whose sum is σ = 30818327260032. Its totient is φ = 14223283758600.

The previous prime is 21335345332027. The next prime is 21335345332039. The reversal of 21335345332029 is 92023354353312.

21335345332029 is a `hidden beast` number, since 2 + 1 + 33 + 534 + 53 + 32 + 0 + 2 + 9 = 666.

It is not a de Polignac number, because 21335345332029 - 2¹ = 21335345332027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21335345332027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22832877 + ... + 23748914.

It is an arithmetic number, because the mean of its divisors is an integer number (2568193938336).

Almost surely, 2^{21335345332029} is an apocalyptic number.

It is an amenable number.

21335345332029 is a deficient number, since it is larger than the sum of its proper divisors (9482981928003).

21335345332029 is a wasteful number, since it uses less digits than its factorization.

21335345332029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46632688 (or 46632685 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 21335345332029 in words is "twenty-one trillion, three hundred thirty-five billion, three hundred forty-five million, three hundred thirty-two thousand, twenty-nine".