1149536873 has 2 divisors, whose sum is σ = 1149536874. Its totient is φ = 1149536872.

The previous prime is 1149536867. The next prime is 1149536881. The reversal of 1149536873 is 3786359411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134544489 + 14992384 = 33683^2 + 3872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149536873 - 2⁶ = 1149536809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1149536813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574768436 + 574768437.

It is an arithmetic number, because the mean of its divisors is an integer number (574768437).

Almost surely, 2^1149536873 is an apocalyptic number.

It is an amenable number.

1149536873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149536873 is an equidigital number, since it uses as much as digits as its factorization.

1149536873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 1149536873 is about 33904.8207929197. The cubic root of 1149536873 is about 1047.5488927458.

The spelling of 1149536873 in words is "one billion, one hundred forty-nine million, five hundred thirty-six thousand, eight hundred seventy-three".