21096148495717 has 8 divisors (see below), whose sum is σ = 21331291716000. Its totient is φ = 20862252720144.

The previous prime is 21096148495699. The next prime is 21096148495729. The reversal of 21096148495717 is 71759484169012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21096148495717 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 (21096148495117) 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, 311827167 + ... + 311894812.

It is an arithmetic number, because the mean of its divisors is an integer number (2666411464500).

Almost surely, 2^{21096148495717} is an apocalyptic number.

It is an amenable number.

21096148495717 is a deficient number, since it is larger than the sum of its proper divisors (235143220283).

21096148495717 is a wasteful number, since it uses less digits than its factorization.

21096148495717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623722355.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 21096148495717 in words is "twenty-one trillion, ninety-six billion, one hundred forty-eight million, four hundred ninety-five thousand, seven hundred seventeen".