21470734622433 has 4 divisors (see below), whose sum is σ = 28627646163248. Its totient is φ = 14313823081620.

The previous prime is 21470734622417. The next prime is 21470734622437. The reversal of 21470734622433 is 33422643707412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21470734622433 - 2⁴ = 21470734622417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21470734622437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578455770403 + ... + 3578455770408.

It is an arithmetic number, because the mean of its divisors is an integer number (7156911540812).

Almost surely, 2^{21470734622433} is an apocalyptic number.

It is an amenable number.

21470734622433 is a deficient number, since it is larger than the sum of its proper divisors (7156911540815).

21470734622433 is an equidigital number, since it uses as much as digits as its factorization.

21470734622433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7156911540814.

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 21470734622433 in words is "twenty-one trillion, four hundred seventy billion, seven hundred thirty-four million, six hundred twenty-two thousand, four hundred thirty-three".