8136406593 has 24 divisors (see below), whose sum is σ = 13480046528. Its totient is φ = 4632580512.

The previous prime is 8136406591. The next prime is 8136406633. The reversal of 8136406593 is 3956046318.

8136406593 is a `hidden beast` number, since 8 + 13 + 6 + 40 + 6 + 593 = 666.

It is not a de Polignac number, because 8136406593 - 2¹ = 8136406591 is a prime.

It is a super-2 number, since 2×8136406593² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8136406591) 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 23 ways as a sum of consecutive naturals, for example, 215671 + ... + 250572.

Almost surely, 2^8136406593 is an apocalyptic number.

It is an amenable number.

8136406593 is a deficient number, since it is larger than the sum of its proper divisors (5343639935).

8136406593 is a wasteful number, since it uses less digits than its factorization.

8136406593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466533 (or 466530 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 8136406593 is about 90202.0320890832. The cubic root of 8136406593 is about 2011.3032144113.

The spelling of 8136406593 in words is "eight billion, one hundred thirty-six million, four hundred six thousand, five hundred ninety-three".