5427445385 has 4 divisors (see below), whose sum is σ = 6512934468. Its totient is φ = 4341956304.

The previous prime is 5427445379. The next prime is 5427445421. The reversal of 5427445385 is 5835447245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5835447245 = 5 ⋅1167089449.

It can be written as a sum of positive squares in 2 ways, for example, as 2260907401 + 3166537984 = 47549^2 + 56272^2 .

It is a cyclic number.

It is not a de Polignac number, because 5427445385 - 2³² = 1132478089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542744534 + ... + 542744543.

It is an arithmetic number, because the mean of its divisors is an integer number (1628233617).

Almost surely, 2^5427445385 is an apocalyptic number.

It is an amenable number.

5427445385 is a deficient number, since it is larger than the sum of its proper divisors (1085489083).

5427445385 is a wasteful number, since it uses less digits than its factorization.

5427445385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085489082.

The product of its digits is 2688000, while the sum is 47.

The square root of 5427445385 is about 73671.1977980540. The cubic root of 5427445385 is about 1757.3778732062.

The spelling of 5427445385 in words is "five billion, four hundred twenty-seven million, four hundred forty-five thousand, three hundred eighty-five".