5431486194 has 12 divisors (see below), whose sum is σ = 11768220126. Its totient is φ = 1810495392.

The previous prime is 5431486147. The next prime is 5431486199. The reversal of 5431486194 is 4916841345.

5431486194 is a `hidden beast` number, since 54 + 31 + 486 + 1 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4443955569 + 987530625 = 66663^2 + 31425^2 .

It is a super-2 number, since 2×5431486194² = 59002084551225211272, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5431486199) 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, 150874599 + ... + 150874634.

Almost surely, 2^5431486194 is an apocalyptic number.

5431486194 is an abundant number, since it is smaller than the sum of its proper divisors (6336733932).

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

5431486194 is a wasteful number, since it uses less digits than its factorization.

5431486194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301749241 (or 301749238 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 5431486194 is about 73698.6173140311. The cubic root of 5431486194 is about 1757.8138958178.

The spelling of 5431486194 in words is "five billion, four hundred thirty-one million, four hundred eighty-six thousand, one hundred ninety-four".