201286431593 has 16 divisors (see below), whose sum is σ = 229560468480. Its totient is φ = 174843346176.

The previous prime is 201286431553. The next prime is 201286431617. The reversal of 201286431593 is 395134682102.

It is a cyclic number.

It is not a de Polignac number, because 201286431593 - 2¹⁸ = 201286169449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201286431503) 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 15 ways as a sum of consecutive naturals, for example, 1268546 + ... + 1418372.

It is an arithmetic number, because the mean of its divisors is an integer number (14347529280).

Almost surely, 2^201286431593 is an apocalyptic number.

It is an amenable number.

201286431593 is a deficient number, since it is larger than the sum of its proper divisors (28274036887).

201286431593 is a wasteful number, since it uses less digits than its factorization.

201286431593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155936.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 201286431593 in words is "two hundred one billion, two hundred eighty-six million, four hundred thirty-one thousand, five hundred ninety-three".