65441613018 has 16 divisors (see below), whose sum is σ = 137771817120. Its totient is φ = 20665772496.

The previous prime is 65441613001. The next prime is 65441613019. The reversal of 65441613018 is 81031614456.

It is not an unprimeable number, because it can be changed into a prime (65441613019) 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, 287024505 + ... + 287024732.

It is an arithmetic number, because the mean of its divisors is an integer number (8610738570).

Almost surely, 2^65441613018 is an apocalyptic number.

65441613018 is an abundant number, since it is smaller than the sum of its proper divisors (72330204102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65441613018 is a wasteful number, since it uses less digits than its factorization.

65441613018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574049261.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 65441613018 in words is "sixty-five billion, four hundred forty-one million, six hundred thirteen thousand, eighteen".