64271534137 has 16 divisors (see below), whose sum is σ = 67972003200. Its totient is φ = 60603500160.

The previous prime is 64271534111. The next prime is 64271534147. The reversal of 64271534137 is 73143517246.

It is a cyclic number.

It is not a de Polignac number, because 64271534137 - 2¹⁹ = 64271009849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64271534093 and 64271534102.

It is not an unprimeable number, because it can be changed into a prime (64271534147) 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, 3681453 + ... + 3698869.

It is an arithmetic number, because the mean of its divisors is an integer number (4248250200).

Almost surely, 2^64271534137 is an apocalyptic number.

It is an amenable number.

64271534137 is a deficient number, since it is larger than the sum of its proper divisors (3700469063).

64271534137 is a wasteful number, since it uses less digits than its factorization.

64271534137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336.

The product of its digits is 423360, while the sum is 43.

The spelling of 64271534137 in words is "sixty-four billion, two hundred seventy-one million, five hundred thirty-four thousand, one hundred thirty-seven".