65504454084 has 60 divisors (see below), whose sum is σ = 171519644604. Its totient is φ = 21799362816.

The previous prime is 65504454061. The next prime is 65504454107. The reversal of 65504454084 is 48045440556.

It is a happy number.

65504454084 is a `hidden beast` number, since 6 + 550 + 44 + 54 + 0 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (65504454061) and next prime (65504454107).

It can be written as a sum of positive squares in 2 ways, for example, as 23249540484 + 42254913600 = 152478^2 + 205560^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36072 + ... + 363744.

Almost surely, 2^65504454084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65504454084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85759822302).

65504454084 is an abundant number, since it is smaller than the sum of its proper divisors (106015190520).

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

65504454084 is a wasteful number, since it uses less digits than its factorization.

65504454084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328306 (or 328295 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

The spelling of 65504454084 in words is "sixty-five billion, five hundred four million, four hundred fifty-four thousand, eighty-four".