21340663014 has 32 divisors (see below), whose sum is σ = 46733299200. Its totient is φ = 6442999200.

The previous prime is 21340662983. The next prime is 21340663037. The reversal of 21340663014 is 41036604312.

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, 578689 + ... + 614460.

It is an arithmetic number, because the mean of its divisors is an integer number (1460415600).

Almost surely, 2^21340663014 is an apocalyptic number.

21340663014 is an abundant number, since it is smaller than the sum of its proper divisors (25392636186).

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

21340663014 is a wasteful number, since it uses less digits than its factorization.

21340663014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193436.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 21340663014 in words is "twenty-one billion, three hundred forty million, six hundred sixty-three thousand, fourteen".