21482671717 has 8 divisors (see below), whose sum is σ = 23185159424. Its totient is φ = 19787323248.

The previous prime is 21482671703. The next prime is 21482671757. The reversal of 21482671717 is 71717628412.

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

It is a cyclic number.

It is not a de Polignac number, because 21482671717 - 2²⁷ = 21348453989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482671757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778553 + ... + 1790590.

It is an arithmetic number, because the mean of its divisors is an integer number (2898144928).

Almost surely, 2^21482671717 is an apocalyptic number.

It is an amenable number.

21482671717 is a deficient number, since it is larger than the sum of its proper divisors (1702487707).

21482671717 is a wasteful number, since it uses less digits than its factorization.

21482671717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569619.

The product of its digits is 263424, while the sum is 46.

The spelling of 21482671717 in words is "twenty-one billion, four hundred eighty-two million, six hundred seventy-one thousand, seven hundred seventeen".