21214042364364 has 96 divisors (see below), whose sum is σ = 49753404792000. Its totient is φ = 7035182923776.

The previous prime is 21214042364357. The next prime is 21214042364393. The reversal of 21214042364364 is 46346324041212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3483991432 + ... + 3483997520.

It is an arithmetic number, because the mean of its divisors is an integer number (518264633250).

Almost surely, 2^{21214042364364} is an apocalyptic number.

It is an amenable number.

21214042364364 is an abundant number, since it is smaller than the sum of its proper divisors (28539362427636).

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

21214042364364 is a wasteful number, since it uses less digits than its factorization.

21214042364364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 21214042364364 in words is "twenty-one trillion, two hundred fourteen billion, forty-two million, three hundred sixty-four thousand, three hundred sixty-four".