64636054936058 has 4 divisors (see below), whose sum is σ = 96954082404090. Its totient is φ = 32318027468028.

The previous prime is 64636054936043. The next prime is 64636054936097. The reversal of 64636054936058 is 85063945063646.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63335923641769 + 1300131294289 = 7958387^2 + 1140233^2 .

It is a super-3 number, since 3×64636054936058³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64636054935985 and 64636054936003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16159013734013 + ... + 16159013734016.

Almost surely, 2^{64636054936058} is an apocalyptic number.

64636054936058 is a deficient number, since it is larger than the sum of its proper divisors (32318027468032).

64636054936058 is a wasteful number, since it uses less digits than its factorization.

64636054936058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318027468031.

The product of its (nonzero) digits is 335923200, while the sum is 65.

The spelling of 64636054936058 in words is "sixty-four trillion, six hundred thirty-six billion, fifty-four million, nine hundred thirty-six thousand, fifty-eight".