5386191912 has 24 divisors (see below), whose sum is σ = 14587603290. Its totient is φ = 1795397280.

The previous prime is 5386191907. The next prime is 5386191917. The reversal of 5386191912 is 2191916835.

5386191912 is a `hidden beast` number, since 5 + 3 + 8 + 619 + 19 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (5386191907) and next prime (5386191917).

It can be written as a sum of positive squares in only one way, i.e., 5374942596 + 11249316 = 73314^2 + 3354^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×5386191912² = 58022126625788431488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5386191917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37404039 + ... + 37404182.

Almost surely, 2^5386191912 is an apocalyptic number.

It is an amenable number.

5386191912 is an abundant number, since it is smaller than the sum of its proper divisors (9201411378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5386191912 is a wasteful number, since it uses less digits than its factorization.

5386191912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74808233 (or 74808226 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 5386191912 is about 73390.6800077503. The cubic root of 5386191912 is about 1752.9139926696.

The spelling of 5386191912 in words is "five billion, three hundred eighty-six million, one hundred ninety-one thousand, nine hundred twelve".