5385343081 has 4 divisors (see below), whose sum is σ = 5530892932. Its totient is φ = 5239793232.

The previous prime is 5385343069. The next prime is 5385343133. The reversal of 5385343081 is 1803435835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1803435835 = 5 ⋅360687167.

It can be written as a sum of positive squares in 2 ways, for example, as 5177522025 + 207821056 = 71955^2 + 14416^2 .

It is a cyclic number.

It is not a de Polignac number, because 5385343081 - 2¹¹ = 5385341033 is a prime.

It is a super-2 number, since 2×5385343081² = 58003840200149145122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5385341081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72774870 + ... + 72774943.

It is an arithmetic number, because the mean of its divisors is an integer number (1382723233).

Almost surely, 2^5385343081 is an apocalyptic number.

It is an amenable number.

5385343081 is a deficient number, since it is larger than the sum of its proper divisors (145549851).

5385343081 is a wasteful number, since it uses less digits than its factorization.

5385343081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145549850.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 5385343081 is about 73384.8968180783. The cubic root of 5385343081 is about 1752.8219049799.

The spelling of 5385343081 in words is "five billion, three hundred eighty-five million, three hundred forty-three thousand, eighty-one".