64089385137 has 20 divisors (see below), whose sum is σ = 95860209456. Its totient is φ = 42671924280.

The previous prime is 64089385123. The next prime is 64089385153. The reversal of 64089385137 is 73158398046.

64089385137 is a `hidden beast` number, since 6 + 40 + 89 + 3 + 8 + 513 + 7 = 666.

It is not a de Polignac number, because 64089385137 - 2⁴ = 64089385121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64089395137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 438939 + ... + 566432.

Almost surely, 2^64089385137 is an apocalyptic number.

It is an amenable number.

64089385137 is a deficient number, since it is larger than the sum of its proper divisors (31770824319).

64089385137 is a wasteful number, since it uses less digits than its factorization.

64089385137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006170 (or 1006161 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 64089385137 in words is "sixty-four billion, eighty-nine million, three hundred eighty-five thousand, one hundred thirty-seven".