5640436591137 has 16 divisors (see below), whose sum is σ = 8369834033280. Its totient is φ = 3754156806576.

The previous prime is 5640436591133. The next prime is 5640436591187. The reversal of 5640436591137 is 7311956340465.

5640436591137 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 4 + 36 + 591 + 13 + 7 = 666.

It is not a de Polignac number, because 5640436591137 - 2² = 5640436591133 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5640436591133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170379093 + ... + 170412194.

It is an arithmetic number, because the mean of its divisors is an integer number (523114627080).

Almost surely, 2^{5640436591137} is an apocalyptic number.

It is an amenable number.

5640436591137 is a deficient number, since it is larger than the sum of its proper divisors (2729397442143).

5640436591137 is a wasteful number, since it uses less digits than its factorization.

5640436591137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340791909 (or 340791903 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 5640436591137 in words is "five trillion, six hundred forty billion, four hundred thirty-six million, five hundred ninety-one thousand, one hundred thirty-seven".