1148467909 has 2 divisors, whose sum is σ = 1148467910. Its totient is φ = 1148467908.

The previous prime is 1148467891. The next prime is 1148467921. The reversal of 1148467909 is 9097648411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140750625 + 7717284 = 33775^2 + 2778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148467909 - 2⁵ = 1148467877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148467109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574233954 + 574233955.

It is an arithmetic number, because the mean of its divisors is an integer number (574233955).

Almost surely, 2^1148467909 is an apocalyptic number.

It is an amenable number.

1148467909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148467909 is an equidigital number, since it uses as much as digits as its factorization.

1148467909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 1148467909 is about 33889.0529374900. The cubic root of 1148467909 is about 1047.2240838708.

The spelling of 1148467909 in words is "one billion, one hundred forty-eight million, four hundred sixty-seven thousand, nine hundred nine".