21963067214384 has 10 divisors (see below), whose sum is σ = 42553442727900. Its totient is φ = 10981533607184.

The previous prime is 21963067214381. The next prime is 21963067214393. The reversal of 21963067214384 is 48341276036912.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21963067214381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686345850434 + ... + 686345850465.

It is an arithmetic number, because the mean of its divisors is an integer number (4255344272790).

Almost surely, 2^{21963067214384} is an apocalyptic number.

It is an amenable number.

21963067214384 is a deficient number, since it is larger than the sum of its proper divisors (20590375513516).

21963067214384 is a wasteful number, since it uses less digits than its factorization.

21963067214384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372691700907 (or 1372691700901 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 21963067214384 in words is "twenty-one trillion, nine hundred sixty-three billion, sixty-seven million, two hundred fourteen thousand, three hundred eighty-four".