21714344263550 has 24 divisors (see below), whose sum is σ = 40390482830256. Its totient is φ = 8685350071040.

The previous prime is 21714344263499. The next prime is 21714344263553. The reversal of 21714344263550 is 5536244341712.

It is a junction number, because it is equal to n+sod(n) for n = 21714344263495 and 21714344263504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21714344263553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8557994 + ... + 10801293.

It is an arithmetic number, because the mean of its divisors is an integer number (1682936784594).

Almost surely, 2^{21714344263550} is an apocalyptic number.

21714344263550 is a deficient number, since it is larger than the sum of its proper divisors (18676138566706).

21714344263550 is a wasteful number, since it uses less digits than its factorization.

21714344263550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381732 (or 19381727 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 21714344263550 in words is "twenty-one trillion, seven hundred fourteen billion, three hundred forty-four million, two hundred sixty-three thousand, five hundred fifty".