21620470370614 has 8 divisors (see below), whose sum is σ = 34338394118088. Its totient is φ = 10174338997920.

The previous prime is 21620470370599. The next prime is 21620470370617. The reversal of 21620470370614 is 41607307402612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21620470370617) 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 in 3 ways as a sum of consecutive naturals, for example, 317948093652 + ... + 317948093719.

It is an arithmetic number, because the mean of its divisors is an integer number (4292299264761).

Almost surely, 2^{21620470370614} is an apocalyptic number.

21620470370614 is a deficient number, since it is larger than the sum of its proper divisors (12717923747474).

21620470370614 is a wasteful number, since it uses less digits than its factorization.

21620470370614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635896187390.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 21620470370614 in words is "twenty-one trillion, six hundred twenty billion, four hundred seventy million, three hundred seventy thousand, six hundred fourteen".