1148249413 has 2 divisors, whose sum is σ = 1148249414. Its totient is φ = 1148249412.

The previous prime is 1148249383. The next prime is 1148249441. The reversal of 1148249413 is 3149428411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733434724 + 414814689 = 27082^2 + 20367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148249413 - 2⁵ = 1148249381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148246413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574124706 + 574124707.

It is an arithmetic number, because the mean of its divisors is an integer number (574124707).

Almost surely, 2^1148249413 is an apocalyptic number.

It is an amenable number.

1148249413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148249413 is an equidigital number, since it uses as much as digits as its factorization.

1148249413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 1148249413 is about 33885.8290882782. The cubic root of 1148249413 is about 1047.1576682041.

The spelling of 1148249413 in words is "one billion, one hundred forty-eight million, two hundred forty-nine thousand, four hundred thirteen".