21470135367773 has 8 divisors (see below), whose sum is σ = 21549514162176. Its totient is φ = 21390757700400.

The previous prime is 21470135367763. The next prime is 21470135367787. The reversal of 21470135367773 is 37776353107412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21470135367773 - 2⁴⁴ = 3877949323357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21470135367763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73670363 + ... + 73961223.

It is an arithmetic number, because the mean of its divisors is an integer number (2693689270272).

Almost surely, 2^{21470135367773} is an apocalyptic number.

It is an amenable number.

21470135367773 is a deficient number, since it is larger than the sum of its proper divisors (79378794403).

21470135367773 is a wasteful number, since it uses less digits than its factorization.

21470135367773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563515.

The product of its (nonzero) digits is 15558480, while the sum is 56.

The spelling of 21470135367773 in words is "twenty-one trillion, four hundred seventy billion, one hundred thirty-five million, three hundred sixty-seven thousand, seven hundred seventy-three".