5185369930 has 16 divisors (see below), whose sum is σ = 10051640424. Its totient is φ = 1914598080.

The previous prime is 5185369883. The next prime is 5185369939. The reversal of 5185369930 is 399635815.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2136011089 + 3049358841 = 46217^2 + 55221^2 .

It is a super-2 number, since 2×5185369930² = 53776122621896409800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5185369939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19943601 + ... + 19943860.

Almost surely, 2^5185369930 is an apocalyptic number.

5185369930 is a deficient number, since it is larger than the sum of its proper divisors (4866270494).

5185369930 is a wasteful number, since it uses less digits than its factorization.

5185369930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39887481.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 5185369930 is about 72009.5127743550. The cubic root of 5185369930 is about 1730.8519231759.

The spelling of 5185369930 in words is "five billion, one hundred eighty-five million, three hundred sixty-nine thousand, nine hundred thirty".