1428571093 has 2 divisors, whose sum is σ = 1428571094. Its totient is φ = 1428571092.

The previous prime is 1428571087. The next prime is 1428571097. The reversal of 1428571093 is 3901758241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401603844 + 26967249 = 37438^2 + 5193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428571093 - 2⁹ = 1428570581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428571097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714285546 + 714285547.

It is an arithmetic number, because the mean of its divisors is an integer number (714285547).

Almost surely, 2^1428571093 is an apocalyptic number.

It is an amenable number.

1428571093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428571093 is an equidigital number, since it uses as much as digits as its factorization.

1428571093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1428571093 is about 37796.4428617297. The cubic root of 1428571093 is about 1126.2477922584.

The spelling of 1428571093 in words is "one billion, four hundred twenty-eight million, five hundred seventy-one thousand, ninety-three".