65009418533 has 8 divisors (see below), whose sum is σ = 65151298080. Its totient is φ = 64867675600.

The previous prime is 65009418473. The next prime is 65009418547. The reversal of 65009418533 is 33581490056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65009418533 - 2⁶ = 65009418469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65009418583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949238 + ... + 1015416.

It is an arithmetic number, because the mean of its divisors is an integer number (8143912260).

Almost surely, 2^65009418533 is an apocalyptic number.

It is an amenable number.

65009418533 is a deficient number, since it is larger than the sum of its proper divisors (141879547).

65009418533 is a wasteful number, since it uses less digits than its factorization.

65009418533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68307.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 65009418533 in words is "sixty-five billion, nine million, four hundred eighteen thousand, five hundred thirty-three".