21314142105597 has 36 divisors (see below), whose sum is σ = 33841724794332. Its totient is φ = 12917140790400.

The previous prime is 21314142105589. The next prime is 21314142105623. The reversal of 21314142105597 is 79550124141312.

21314142105597 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 4 + 1 + 42 + 10 + 5 + 597 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1402966811961 + 19911175293636 = 1184469^2 + 4462194^2 .

It is not a de Polignac number, because 21314142105597 - 2³ = 21314142105589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314142105547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27519313 + ... + 28283225.

Almost surely, 2^{21314142105597} is an apocalyptic number.

It is an amenable number.

21314142105597 is a deficient number, since it is larger than the sum of its proper divisors (12527582688735).

21314142105597 is a wasteful number, since it uses less digits than its factorization.

21314142105597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789562 (or 789548 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 21314142105597 in words is "twenty-one trillion, three hundred fourteen billion, one hundred forty-two million, one hundred five thousand, five hundred ninety-seven".