9161130439 has 2 divisors, whose sum is σ = 9161130440. Its totient is φ = 9161130438.

The previous prime is 9161130431. The next prime is 9161130457. The reversal of 9161130439 is 9340311619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9161130439 - 2³ = 9161130431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9161130398 and 9161130407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9161130431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4580565219 + 4580565220.

It is an arithmetic number, because the mean of its divisors is an integer number (4580565220).

Almost surely, 2^9161130439 is an apocalyptic number.

9161130439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9161130439 is an equidigital number, since it uses as much as digits as its factorization.

9161130439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 9161130439 is about 95713.7944028968. The cubic root of 9161130439 is about 2092.4239817614.

The spelling of 9161130439 in words is "nine billion, one hundred sixty-one million, one hundred thirty thousand, four hundred thirty-nine".