1161463447 has 2 divisors, whose sum is σ = 1161463448. Its totient is φ = 1161463446.

The previous prime is 1161463421. The next prime is 1161463469. The reversal of 1161463447 is 7443641611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161463447 - 2⁷ = 1161463319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161463417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580731723 + 580731724.

It is an arithmetic number, because the mean of its divisors is an integer number (580731724).

Almost surely, 2^1161463447 is an apocalyptic number.

1161463447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161463447 is an equidigital number, since it uses as much as digits as its factorization.

1161463447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 1161463447 is about 34080.2501017818. The cubic root of 1161463447 is about 1051.1592478600.

The spelling of 1161463447 in words is "one billion, one hundred sixty-one million, four hundred sixty-three thousand, four hundred forty-seven".