21410922355297 has 4 divisors (see below), whose sum is σ = 22101597270016. Its totient is φ = 20720247440580.

The previous prime is 21410922355247. The next prime is 21410922355321. The reversal of 21410922355297 is 79255322901412.

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 not a de Polignac number, because 21410922355297 - 2²⁷ = 21410788137569 is a prime.

It is a super-2 number, since 2×21410922355297² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410922355217) 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, 345337457313 + ... + 345337457374.

It is an arithmetic number, because the mean of its divisors is an integer number (5525399317504).

Almost surely, 2^{21410922355297} is an apocalyptic number.

It is an amenable number.

21410922355297 is a deficient number, since it is larger than the sum of its proper divisors (690674914719).

21410922355297 is an equidigital number, since it uses as much as digits as its factorization.

21410922355297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690674914718.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 21410922355297 in words is "twenty-one trillion, four hundred ten billion, nine hundred twenty-two million, three hundred fifty-five thousand, two hundred ninety-seven".