468645808545 has 12 divisors (see below), whose sum is σ = 812319401556. Its totient is φ = 249944431200.

The previous prime is 468645808529. The next prime is 468645808571. The reversal of 468645808545 is 545808546864.

468645808545 is a `hidden beast` number, since 4 + 6 + 8 + 6 + 4 + 5 + 80 + 8 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 153780053904 + 314865754641 = 392148^2 + 561129^2 .

It is not a de Polignac number, because 468645808545 - 2⁴ = 468645808529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5207175606 + ... + 5207175695.

It is an arithmetic number, because the mean of its divisors is an integer number (67693283463).

Almost surely, 2^468645808545 is an apocalyptic number.

468645808545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

468645808545 is a deficient number, since it is larger than the sum of its proper divisors (343673593011).

468645808545 is a wasteful number, since it uses less digits than its factorization.

468645808545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414351312 (or 10414351309 counting only the distinct ones).

The product of its (nonzero) digits is 147456000, while the sum is 63.

The spelling of 468645808545 in words is "four hundred sixty-eight billion, six hundred forty-five million, eight hundred eight thousand, five hundred forty-five".