5305456645 has 8 divisors (see below), whose sum is σ = 6741050904. Its totient is φ = 3994696704.

The previous prime is 5305456643. The next prime is 5305456661. The reversal of 5305456645 is 5466545035.

It can be written as a sum of positive squares in 4 ways, for example, as 405176641 + 4900280004 = 20129^2 + 70002^2 .

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 5305456645 - 2¹ = 5305456643 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 (5305456643) 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, 31208484 + ... + 31208653.

It is an arithmetic number, because the mean of its divisors is an integer number (842631363).

Almost surely, 2^5305456645 is an apocalyptic number.

It is an amenable number.

5305456645 is a deficient number, since it is larger than the sum of its proper divisors (1435594259).

5305456645 is a wasteful number, since it uses less digits than its factorization.

5305456645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62417159.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The square root of 5305456645 is about 72838.5656434831. The cubic root of 5305456645 is about 1744.1115440687. Note that the first 3 decimals are identical.

The spelling of 5305456645 in words is "five billion, three hundred five million, four hundred fifty-six thousand, six hundred forty-five".