1158510449 has 2 divisors, whose sum is σ = 1158510450. Its totient is φ = 1158510448.

The previous prime is 1158510443. The next prime is 1158510487. The reversal of 1158510449 is 9440158511.

It is a happy number.

It is an a-pointer prime, because the next prime (1158510487) can be obtained adding 1158510449 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621754225 + 536756224 = 24935^2 + 23168^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158510449 - 2¹² = 1158506353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1158510443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579255224 + 579255225.

It is an arithmetic number, because the mean of its divisors is an integer number (579255225).

Almost surely, 2^1158510449 is an apocalyptic number.

It is an amenable number.

1158510449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158510449 is an equidigital number, since it uses as much as digits as its factorization.

1158510449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 1158510449 is about 34036.8983457659. The cubic root of 1158510449 is about 1050.2676412216.

The spelling of 1158510449 in words is "one billion, one hundred fifty-eight million, five hundred ten thousand, four hundred forty-nine".