1084280993 has 2 divisors, whose sum is σ = 1084280994. Its totient is φ = 1084280992.

The previous prime is 1084280947. The next prime is 1084281007. The reversal of 1084280993 is 3990824801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062303649 + 21977344 = 32593^2 + 4688^2 .

It is an emirp because it is prime and its reverse (3990824801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1084280993 - 2¹⁴ = 1084264609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1084280903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542140496 + 542140497.

It is an arithmetic number, because the mean of its divisors is an integer number (542140497).

Almost surely, 2^1084280993 is an apocalyptic number.

It is an amenable number.

1084280993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084280993 is an equidigital number, since it uses as much as digits as its factorization.

1084280993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1084280993 is about 32928.4222670932. The cubic root of 1084280993 is about 1027.3394094702.

The spelling of 1084280993 in words is "one billion, eighty-four million, two hundred eighty thousand, nine hundred ninety-three".