21714175040653 has 4 divisors (see below), whose sum is σ = 21783995539488. Its totient is φ = 21644354541820.

The previous prime is 21714175040629. The next prime is 21714175040681. The reversal of 21714175040653 is 35604057141712.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21714175040653 is a prime.

It is a super-2 number, since 2×21714175040653² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714175440653) 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, 34910248951 + ... + 34910249572.

It is an arithmetic number, because the mean of its divisors is an integer number (5445998884872).

Almost surely, 2^{21714175040653} is an apocalyptic number.

It is an amenable number.

21714175040653 is a deficient number, since it is larger than the sum of its proper divisors (69820498835).

21714175040653 is an equidigital number, since it uses as much as digits as its factorization.

21714175040653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69820498834.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 21714175040653 in words is "twenty-one trillion, seven hundred fourteen billion, one hundred seventy-five million, forty thousand, six hundred fifty-three".