5640475526845 has 8 divisors (see below), whose sum is σ = 6835586183640. Its totient is φ = 4467703387200.

The previous prime is 5640475526839. The next prime is 5640475526863. The reversal of 5640475526845 is 5486255740465.

It can be written as a sum of positive squares in 4 ways, for example, as 3844066075641 + 1796409451204 = 1960629^2 + 1340302^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5640475526845 - 2¹⁷ = 5640475395773 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5584628730 + ... + 5584629739.

It is an arithmetic number, because the mean of its divisors is an integer number (854448272955).

Almost surely, 2^{5640475526845} is an apocalyptic number.

It is an amenable number.

5640475526845 is a deficient number, since it is larger than the sum of its proper divisors (1195110656795).

5640475526845 is a wasteful number, since it uses less digits than its factorization.

5640475526845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169258575.

The product of its (nonzero) digits is 161280000, while the sum is 61.

The spelling of 5640475526845 in words is "five trillion, six hundred forty billion, four hundred seventy-five million, five hundred twenty-six thousand, eight hundred forty-five".