21214064325304 has 8 divisors (see below), whose sum is σ = 39776370609960. Its totient is φ = 10607032162648.

The previous prime is 21214064325281. The next prime is 21214064325323. The reversal of 21214064325304 is 40352346041212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325879020324 + ... + 1325879020339.

It is an arithmetic number, because the mean of its divisors is an integer number (4972046326245).

Almost surely, 2^{21214064325304} is an apocalyptic number.

It is an amenable number.

21214064325304 is a deficient number, since it is larger than the sum of its proper divisors (18562306284656).

21214064325304 is a wasteful number, since it uses less digits than its factorization.

21214064325304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651758040669 (or 2651758040665 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 21214064325304 in words is "twenty-one trillion, two hundred fourteen billion, sixty-four million, three hundred twenty-five thousand, three hundred four".