1427090393 has 2 divisors, whose sum is σ = 1427090394. Its totient is φ = 1427090392.

The previous prime is 1427090339. The next prime is 1427090473. The reversal of 1427090393 is 3930907241.

Together with previous prime (1427090339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 905287744 + 521802649 = 30088^2 + 22843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427090393 - 2¹⁴ = 1427074009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427095393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713545196 + 713545197.

It is an arithmetic number, because the mean of its divisors is an integer number (713545197).

Almost surely, 2^1427090393 is an apocalyptic number.

It is an amenable number.

1427090393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427090393 is an equidigital number, since it uses as much as digits as its factorization.

1427090393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1427090393 is about 37776.8499613189. The cubic root of 1427090393 is about 1125.8585427935.

The spelling of 1427090393 in words is "one billion, four hundred twenty-seven million, ninety thousand, three hundred ninety-three".