21490896237241 has 8 divisors (see below), whose sum is σ = 22351187549504. Its totient is φ = 20646991426320.

The previous prime is 21490896237143. The next prime is 21490896237247. The reversal of 21490896237241 is 14273269809412.

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 21490896237241 - 2³³ = 21482306302649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21490896237247) 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, 4096622661 + ... + 4096627906.

It is an arithmetic number, because the mean of its divisors is an integer number (2793898443688).

Almost surely, 2^{21490896237241} is an apocalyptic number.

It is an amenable number.

21490896237241 is a deficient number, since it is larger than the sum of its proper divisors (860291312263).

21490896237241 is an equidigital number, since it uses as much as digits as its factorization.

21490896237241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193250671.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 21490896237241 in words is "twenty-one trillion, four hundred ninety billion, eight hundred ninety-six million, two hundred thirty-seven thousand, two hundred forty-one".