1093348681 has 4 divisors (see below), whose sum is σ = 1120015764. Its totient is φ = 1066681600.

The previous prime is 1093348657. The next prime is 1093348717. The reversal of 1093348681 is 1868433901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1868433901 = 643 ⋅2905807.

It can be written as a sum of positive squares in 2 ways, for example, as 500864400 + 592484281 = 22380^2 + 24341^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093348681 - 2⁵ = 1093348649 is a prime.

It is a super-2 number, since 2×1093348681² = 2390822676488879522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1093348601) 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 in 3 ways as a sum of consecutive naturals, for example, 13333480 + ... + 13333561.

It is an arithmetic number, because the mean of its divisors is an integer number (280003941).

Almost surely, 2^1093348681 is an apocalyptic number.

It is an amenable number.

1093348681 is a deficient number, since it is larger than the sum of its proper divisors (26667083).

1093348681 is an equidigital number, since it uses as much as digits as its factorization.

1093348681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26667082.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1093348681 is about 33065.8234586710. The cubic root of 1093348681 is about 1030.1952942911.

The spelling of 1093348681 in words is "one billion, ninety-three million, three hundred forty-eight thousand, six hundred eighty-one".