21341343339 has 24 divisors (see below), whose sum is σ = 33275867040. Its totient is φ = 13139693952.

The previous prime is 21341343319. The next prime is 21341343341. The reversal of 21341343339 is 93334314312.

21341343339 is a `hidden beast` number, since 213 + 4 + 1 + 3 + 433 + 3 + 9 = 666.

It is not a de Polignac number, because 21341343339 - 2³¹ = 19193859691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21341343319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771554 + ... + 1783559.

It is an arithmetic number, because the mean of its divisors is an integer number (1386494460).

Almost surely, 2^21341343339 is an apocalyptic number.

21341343339 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21341343339 is a deficient number, since it is larger than the sum of its proper divisors (11934523701).

21341343339 is a wasteful number, since it uses less digits than its factorization.

21341343339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555171 (or 3555168 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The spelling of 21341343339 in words is "twenty-one billion, three hundred forty-one million, three hundred forty-three thousand, three hundred thirty-nine".