65417620245988 has 6 divisors (see below), whose sum is σ = 114480835430486. Its totient is φ = 32708810122992.

The previous prime is 65417620245973. The next prime is 65417620246037. The reversal of 65417620245988 is 88954202671456.

It can be written as a sum of positive squares in only one way, i.e., 64191214611364 + 1226405634624 = 8011942^2 + 1107432^2 .

It is a super-2 number, since 2×65417620245988² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177202530745 + ... + 8177202530752.

Almost surely, 2^{65417620245988} is an apocalyptic number.

It is an amenable number.

65417620245988 is a deficient number, since it is larger than the sum of its proper divisors (49063215184498).

65417620245988 is a wasteful number, since it uses less digits than its factorization.

65417620245988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16354405061501 (or 16354405061499 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 65417620245988 in words is "sixty-five trillion, four hundred seventeen billion, six hundred twenty million, two hundred forty-five thousand, nine hundred eighty-eight".