21314570193 has 12 divisors (see below), whose sum is σ = 35185957248. Its totient is φ = 12179754360.

The previous prime is 21314570161. The next prime is 21314570209. The reversal of 21314570193 is 39107541312.

21314570193 is a `hidden beast` number, since 2 + 13 + 1 + 457 + 0 + 193 = 666.

It is not a de Polignac number, because 21314570193 - 2⁵ = 21314570161 is a prime.

It is a super-3 number, since 3×21314570193³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21314550193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169163193 + ... + 169163318.

It is an arithmetic number, because the mean of its divisors is an integer number (2932163104).

Almost surely, 2^21314570193 is an apocalyptic number.

It is an amenable number.

21314570193 is a deficient number, since it is larger than the sum of its proper divisors (13871387055).

21314570193 is a wasteful number, since it uses less digits than its factorization.

21314570193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338326524 (or 338326521 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 21314570193 in words is "twenty-one billion, three hundred fourteen million, five hundred seventy thousand, one hundred ninety-three".