1148392681393 has 2 divisors, whose sum is σ = 1148392681394. Its totient is φ = 1148392681392.

The previous prime is 1148392681333. The next prime is 1148392681421. The reversal of 1148392681393 is 3931862938411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813068300209 + 335324381184 = 901703^2 + 579072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148392681393 - 2³³ = 1139802746801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1148392681333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574196340696 + 574196340697.

It is an arithmetic number, because the mean of its divisors is an integer number (574196340697).

Almost surely, 2^{1148392681393} is an apocalyptic number.

It is an amenable number.

1148392681393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148392681393 is an equidigital number, since it uses as much as digits as its factorization.

1148392681393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 58.

The spelling of 1148392681393 in words is "one trillion, one hundred forty-eight billion, three hundred ninety-two million, six hundred eighty-one thousand, three hundred ninety-three".