5385318385 has 4 divisors (see below), whose sum is σ = 6462382068. Its totient is φ = 4308254704.

The previous prime is 5385318359. The next prime is 5385318391. The reversal of 5385318385 is 5838135835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1961781264 + 3423537121 = 44292^2 + 58511^2 .

It is a cyclic number.

It is not a de Polignac number, because 5385318385 - 2¹⁹ = 5384794097 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538531834 + ... + 538531843.

It is an arithmetic number, because the mean of its divisors is an integer number (1615595517).

Almost surely, 2^5385318385 is an apocalyptic number.

It is an amenable number.

5385318385 is a deficient number, since it is larger than the sum of its proper divisors (1077063683).

5385318385 is a wasteful number, since it uses less digits than its factorization.

5385318385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077063682.

The product of its digits is 1728000, while the sum is 49.

The square root of 5385318385 is about 73384.7285543798. The cubic root of 5385318385 is about 1752.8192256238.

The spelling of 5385318385 in words is "five billion, three hundred eighty-five million, three hundred eighteen thousand, three hundred eighty-five".