8118431059 has 2 divisors, whose sum is σ = 8118431060. Its totient is φ = 8118431058.

The previous prime is 8118431053. The next prime is 8118431143. The reversal of 8118431059 is 9501348118.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8118431059 - 2¹³ = 8118422867 is a prime.

It is a super-2 number, since 2×8118431059² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8118431053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4059215529 + 4059215530.

It is an arithmetic number, because the mean of its divisors is an integer number (4059215530).

Almost surely, 2^8118431059 is an apocalyptic number.

8118431059 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118431059 is an equidigital number, since it uses as much as digits as its factorization.

8118431059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 8118431059 is about 90102.3365901240. The cubic root of 8118431059 is about 2009.8209504461.

The spelling of 8118431059 in words is "eight billion, one hundred eighteen million, four hundred thirty-one thousand, fifty-nine".