65154481317 has 24 divisors (see below), whose sum is σ = 94365660480. Its totient is φ = 43319361600.

The previous prime is 65154481309. The next prime is 65154481319. The reversal of 65154481317 is 71318445156.

65154481317 is a `hidden beast` number, since 6 + 5 + 154 + 481 + 3 + 17 = 666.

It is not a de Polignac number, because 65154481317 - 2³ = 65154481309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65154481319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14635942 + ... + 14640392.

It is an arithmetic number, because the mean of its divisors is an integer number (3931902520).

Almost surely, 2^65154481317 is an apocalyptic number.

It is an amenable number.

65154481317 is a deficient number, since it is larger than the sum of its proper divisors (29211179163).

65154481317 is a wasteful number, since it uses less digits than its factorization.

65154481317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473 (or 8470 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The spelling of 65154481317 in words is "sixty-five billion, one hundred fifty-four million, four hundred eighty-one thousand, three hundred seventeen".