1093889647 has 2 divisors, whose sum is σ = 1093889648. Its totient is φ = 1093889646.

The previous prime is 1093889639. The next prime is 1093889651. The reversal of 1093889647 is 7469883901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1093889647 - 2³ = 1093889639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1093881647) 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, 546944823 + 546944824.

It is an arithmetic number, because the mean of its divisors is an integer number (546944824).

Almost surely, 2^1093889647 is an apocalyptic number.

1093889647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093889647 is an equidigital number, since it uses as much as digits as its factorization.

1093889647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 1093889647 is about 33074.0025851121. The cubic root of 1093889647 is about 1030.3651726197.

The spelling of 1093889647 in words is "one billion, ninety-three million, eight hundred eighty-nine thousand, six hundred forty-seven".