65603090449 has 16 divisors (see below), whose sum is σ = 71384463360. Its totient is φ = 59927313600.

The previous prime is 65603090447. The next prime is 65603090461. The reversal of 65603090449 is 94409030656.

It is a cyclic number.

It is not a de Polignac number, because 65603090449 - 2¹ = 65603090447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65603090399 and 65603090408.

It is not an unprimeable number, because it can be changed into a prime (65603090447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2886472 + ... + 2909110.

It is an arithmetic number, because the mean of its divisors is an integer number (4461528960).

Almost surely, 2^65603090449 is an apocalyptic number.

It is an amenable number.

65603090449 is a deficient number, since it is larger than the sum of its proper divisors (5781372911).

65603090449 is a wasteful number, since it uses less digits than its factorization.

65603090449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 65603090449 in words is "sixty-five billion, six hundred three million, ninety thousand, four hundred forty-nine".