21736370104334 has 4 divisors (see below), whose sum is σ = 32604555156504. Its totient is φ = 10868185052166.

The previous prime is 21736370104307. The next prime is 21736370104447. The reversal of 21736370104334 is 43340107363712.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5434092526082 + ... + 5434092526085.

It is an arithmetic number, because the mean of its divisors is an integer number (8151138789126).

Almost surely, 2^{21736370104334} is an apocalyptic number.

21736370104334 is a deficient number, since it is larger than the sum of its proper divisors (10868185052170).

21736370104334 is a wasteful number, since it uses less digits than its factorization.

21736370104334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868185052169.

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 21736370104334 in words is "twenty-one trillion, seven hundred thirty-six billion, three hundred seventy million, one hundred four thousand, three hundred thirty-four".