1074442393 has 2 divisors, whose sum is σ = 1074442394. Its totient is φ = 1074442392.

The previous prime is 1074442379. The next prime is 1074442399. The reversal of 1074442393 is 3932444701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073741824 + 700569 = 32768^2 + 837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074442393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1074442399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537221196 + 537221197.

It is an arithmetic number, because the mean of its divisors is an integer number (537221197).

Almost surely, 2^1074442393 is an apocalyptic number.

It is an amenable number.

1074442393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074442393 is an equidigital number, since it uses as much as digits as its factorization.

1074442393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1074442393 is about 32778.6880915024. The cubic root of 1074442393 is about 1024.2226564699. Note that the first 3 decimals are identical.

The spelling of 1074442393 in words is "one billion, seventy-four million, four hundred forty-two thousand, three hundred ninety-three".