1148043493 has 2 divisors, whose sum is σ = 1148043494. Its totient is φ = 1148043492.

The previous prime is 1148043469. The next prime is 1148043539. The reversal of 1148043493 is 3943408411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1137173284 + 10870209 = 33722^2 + 3297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148043493 - 2⁵ = 1148043461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148043443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574021746 + 574021747.

It is an arithmetic number, because the mean of its divisors is an integer number (574021747).

Almost surely, 2^1148043493 is an apocalyptic number.

It is an amenable number.

1148043493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148043493 is an equidigital number, since it uses as much as digits as its factorization.

1148043493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1148043493 is about 33882.7905137697. The cubic root of 1148043493 is about 1047.0950675195.

The spelling of 1148043493 in words is "one billion, one hundred forty-eight million, forty-three thousand, four hundred ninety-three".