21497343095482 has 8 divisors (see below), whose sum is σ = 32246355114900. Its totient is φ = 10748558057184.

The previous prime is 21497343095429. The next prime is 21497343095513. The reversal of 21497343095482 is 28459034379412.

It can be written as a sum of positive squares in 2 ways, for example, as 14611804406521 + 6885538688961 = 3822539^2 + 2624031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 21497343095482.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56508307 + ... + 56887462.

Almost surely, 2^{21497343095482} is an apocalyptic number.

21497343095482 is a deficient number, since it is larger than the sum of its proper divisors (10749012019418).

21497343095482 is a wasteful number, since it uses less digits than its factorization.

21497343095482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113490560.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 21497343095482 in words is "twenty-one trillion, four hundred ninety-seven billion, three hundred forty-three million, ninety-five thousand, four hundred eighty-two".