65604848501149 has 2 divisors, whose sum is σ = 65604848501150. Its totient is φ = 65604848501148.

The previous prime is 65604848501111. The next prime is 65604848501243. The reversal of 65604848501149 is 94110584840656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65604848501124 + 25 = 8099682^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 65604848501149 - 2³⁵ = 65570488762781 is a prime.

It is a super-3 number, since 3×65604848501149³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65604848501849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32802424250574 + 32802424250575.

It is an arithmetic number, because the mean of its divisors is an integer number (32802424250575).

Almost surely, 2^{65604848501149} is an apocalyptic number.

It is an amenable number.

65604848501149 is a deficient number, since it is larger than the sum of its proper divisors (1).

65604848501149 is an equidigital number, since it uses as much as digits as its factorization.

65604848501149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33177600, while the sum is 61.

The spelling of 65604848501149 in words is "sixty-five trillion, six hundred four billion, eight hundred forty-eight million, five hundred one thousand, one hundred forty-nine".