21470065541303 has 4 divisors (see below), whose sum is σ = 21875161117608. Its totient is φ = 21064969965000.

The previous prime is 21470065541261. The next prime is 21470065541363. The reversal of 21470065541303 is 30314556007412.

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

It is a cyclic number.

It is not a de Polignac number, because 21470065541303 - 2³⁸ = 21195187634359 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 (21470065541363) 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, 202547788073 + ... + 202547788178.

It is an arithmetic number, because the mean of its divisors is an integer number (5468790279402).

Almost surely, 2^{21470065541303} is an apocalyptic number.

21470065541303 is a deficient number, since it is larger than the sum of its proper divisors (405095576305).

21470065541303 is an equidigital number, since it uses as much as digits as its factorization.

21470065541303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405095576304.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 21470065541303 in words is "twenty-one trillion, four hundred seventy billion, sixty-five million, five hundred forty-one thousand, three hundred three".