64135050244 has 12 divisors (see below), whose sum is σ = 112238243404. Its totient is φ = 32066980704.

The previous prime is 64135050229. The next prime is 64135050263. The reversal of 64135050244 is 44205053146.

It can be written as a sum of positive squares in 2 ways, for example, as 3081582144 + 61053468100 = 55512^2 + 247090^2 .

It is a super-2 number, since 2×64135050244² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251782 + ... + 437794.

Almost surely, 2^64135050244 is an apocalyptic number.

It is an amenable number.

64135050244 is a deficient number, since it is larger than the sum of its proper divisors (48103193160).

64135050244 is a wasteful number, since it uses less digits than its factorization.

64135050244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272214 (or 272212 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 64135050244 in words is "sixty-four billion, one hundred thirty-five million, fifty thousand, two hundred forty-four".