21341402282 has 8 divisors (see below), whose sum is σ = 32066088516. Its totient is φ = 10652706112.

The previous prime is 21341402273. The next prime is 21341402317. The reversal of 21341402282 is 28220414312.

It can be written as a sum of positive squares in 2 ways, for example, as 20486483161 + 854919121 = 143131^2 + 29239^2 .

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

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, 8996033 + ... + 8998404.

Almost surely, 2^21341402282 is an apocalyptic number.

21341402282 is a deficient number, since it is larger than the sum of its proper divisors (10724686234).

21341402282 is a wasteful number, since it uses less digits than its factorization.

21341402282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17995032.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 21341402282 its reverse (28220414312), we get a palindrome (49561816594).

The spelling of 21341402282 in words is "twenty-one billion, three hundred forty-one million, four hundred two thousand, two hundred eighty-two".