21343550413276 has 48 divisors (see below), whose sum is σ = 45981064923136. Its totient is φ = 8441703002304.

The previous prime is 21343550413259. The next prime is 21343550413357. The reversal of 21343550413276 is 67231405534312.

It is a super-2 number, since 2×21343550413276² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4974066 + ... + 8211481.

Almost surely, 2^{21343550413276} is an apocalyptic number.

21343550413276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

21343550413276 is an abundant number, since it is smaller than the sum of its proper divisors (24637514509860).

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

21343550413276 is a wasteful number, since it uses less digits than its factorization.

21343550413276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190018 (or 13190016 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

Adding to 21343550413276 its reverse (67231405534312), we get a palindrome (88574955947588).

The spelling of 21343550413276 in words is "twenty-one trillion, three hundred forty-three billion, five hundred fifty million, four hundred thirteen thousand, two hundred seventy-six".