21470065240014 has 32 divisors (see below), whose sum is σ = 47712407410080. Its totient is φ = 7156515715200.

The previous prime is 21470065240009. The next prime is 21470065240061. The reversal of 21470065240014 is 41004256007412.

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, 2528827 + ... + 7023894.

It is an arithmetic number, because the mean of its divisors is an integer number (1491012731565).

Almost surely, 2^{21470065240014} is an apocalyptic number.

21470065240014 is an abundant number, since it is smaller than the sum of its proper divisors (26242342170066).

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

21470065240014 is a wasteful number, since it uses less digits than its factorization.

21470065240014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9594353 (or 9594347 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 21470065240014 in words is "twenty-one trillion, four hundred seventy billion, sixty-five million, two hundred forty thousand, fourteen".