21334043029 has 24 divisors (see below), whose sum is σ = 23447219040. Its totient is φ = 19399528512.

The previous prime is 21334042979. The next prime is 21334043039. The reversal of 21334043029 is 92034043312.

It is not a de Polignac number, because 21334043029 - 2⁷ = 21334042901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21334043039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5314227 + ... + 5318239.

It is an arithmetic number, because the mean of its divisors is an integer number (976967460).

Almost surely, 2^21334043029 is an apocalyptic number.

It is an amenable number.

21334043029 is a deficient number, since it is larger than the sum of its proper divisors (2113176011).

21334043029 is a wasteful number, since it uses less digits than its factorization.

21334043029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 21334043029 in words is "twenty-one billion, three hundred thirty-four million, forty-three thousand, twenty-nine".