21352343565336 has 32 divisors (see below), whose sum is σ = 61006695901440. Its totient is φ = 6100669590048.

The previous prime is 21352343565271. The next prime is 21352343565373. The reversal of 21352343565336 is 63356534325312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63548641396 + ... + 63548641731.

It is an arithmetic number, because the mean of its divisors is an integer number (1906459246920).

Almost surely, 2^{21352343565336} is an apocalyptic number.

It is an amenable number.

21352343565336 is an abundant number, since it is smaller than the sum of its proper divisors (39654352336104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21352343565336 is a wasteful number, since it uses less digits than its factorization.

21352343565336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127097283143 (or 127097283139 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 51.

The spelling of 21352343565336 in words is "twenty-one trillion, three hundred fifty-two billion, three hundred forty-three million, five hundred sixty-five thousand, three hundred thirty-six".