1428508093 has 2 divisors, whose sum is σ = 1428508094. Its totient is φ = 1428508092.

The previous prime is 1428508087. The next prime is 1428508121. The reversal of 1428508093 is 3908058241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758837209 + 669670884 = 27547^2 + 25878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428508093 - 2⁵ = 1428508061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428508043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714254046 + 714254047.

It is an arithmetic number, because the mean of its divisors is an integer number (714254047).

Almost surely, 2^1428508093 is an apocalyptic number.

It is an amenable number.

1428508093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428508093 is an equidigital number, since it uses as much as digits as its factorization.

1428508093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1428508093 is about 37795.6094407803. The cubic root of 1428508093 is about 1126.2312361686.

The spelling of 1428508093 in words is "one billion, four hundred twenty-eight million, five hundred eight thousand, ninety-three".