65368543363 has 16 divisors (see below), whose sum is σ = 68893482240. Its totient is φ = 61901462304.

The previous prime is 65368543343. The next prime is 65368543381. The reversal of 65368543363 is 36334586356.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65368543363 is a prime.

It is a super-2 number, since 2×65368543363² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65368543363.

It is not an unprimeable number, because it can be changed into a prime (65368543343) 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, 3206320 + ... + 3226642.

It is an arithmetic number, because the mean of its divisors is an integer number (4305842640).

Almost surely, 2^65368543363 is an apocalyptic number.

65368543363 is a deficient number, since it is larger than the sum of its proper divisors (3524938877).

65368543363 is a wasteful number, since it uses less digits than its factorization.

65368543363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21738.

The product of its digits is 13996800, while the sum is 52.

The spelling of 65368543363 in words is "sixty-five billion, three hundred sixty-eight million, five hundred forty-three thousand, three hundred sixty-three".