1093970489 has 2 divisors, whose sum is σ = 1093970490. Its totient is φ = 1093970488.

The previous prime is 1093970477. The next prime is 1093970497. The reversal of 1093970489 is 9840793901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1069813264 + 24157225 = 32708^2 + 4915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093970489 - 2¹⁶ = 1093904953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1093970789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546985244 + 546985245.

It is an arithmetic number, because the mean of its divisors is an integer number (546985245).

Almost surely, 2^1093970489 is an apocalyptic number.

It is an amenable number.

1093970489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093970489 is an equidigital number, since it uses as much as digits as its factorization.

1093970489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 1093970489 is about 33075.2247006729. The cubic root of 1093970489 is about 1030.3905544394.

The spelling of 1093970489 in words is "one billion, ninety-three million, nine hundred seventy thousand, four hundred eighty-nine".