21146393323582 has 8 divisors (see below), whose sum is σ = 31735040351976. Its totient is φ = 10568046539592.

The previous prime is 21146393323513. The next prime is 21146393323637. The reversal of 21146393323582 is 28532339364112.

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

It is a congruent number.

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, 2575055968 + ... + 2575064179.

It is an arithmetic number, because the mean of its divisors is an integer number (3966880043997).

Almost surely, 2^{21146393323582} is an apocalyptic number.

21146393323582 is a deficient number, since it is larger than the sum of its proper divisors (10588647028394).

21146393323582 is a wasteful number, since it uses less digits than its factorization.

21146393323582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150122202.

The product of its digits is 5598720, while the sum is 52.

The spelling of 21146393323582 in words is "twenty-one trillion, one hundred forty-six billion, three hundred ninety-three million, three hundred twenty-three thousand, five hundred eighty-two".