4930816405 has 4 divisors (see below), whose sum is σ = 5916979692. Its totient is φ = 3944653120.

The previous prime is 4930816403. The next prime is 4930816411. The reversal of 4930816405 is 5046180394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5046180394 = 2 ⋅2523090197.

It can be written as a sum of positive squares in 2 ways, for example, as 520661124 + 4410155281 = 22818^2 + 66409^2 .

It is not a de Polignac number, because 4930816405 - 2¹ = 4930816403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4930816403) 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, 493081636 + ... + 493081645.

It is an arithmetic number, because the mean of its divisors is an integer number (1479244923).

Almost surely, 2^4930816405 is an apocalyptic number.

It is an amenable number.

4930816405 is a deficient number, since it is larger than the sum of its proper divisors (986163287).

4930816405 is an equidigital number, since it uses as much as digits as its factorization.

4930816405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986163286.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4930816405 is about 70219.7721799209. The cubic root of 4930816405 is about 1702.0524696577.

Adding to 4930816405 its reverse (5046180394), we get a palindrome (9976996799).

The spelling of 4930816405 in words is "four billion, nine hundred thirty million, eight hundred sixteen thousand, four hundred five".