1094773681 has 4 divisors (see below), whose sum is σ = 1103130864. Its totient is φ = 1086416500.

The previous prime is 1094773663. The next prime is 1094773721. The reversal of 1094773681 is 1863774901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1863774901 = 31 ⋅60121771.

It is a cyclic number.

It is not a de Polignac number, because 1094773681 - 2²³ = 1086385073 is a prime.

It is a super-2 number, since 2×1094773681² = 2397058825220579522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094773601) 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, 4178395 + ... + 4178656.

It is an arithmetic number, because the mean of its divisors is an integer number (275782716).

Almost surely, 2^1094773681 is an apocalyptic number.

It is an amenable number.

1094773681 is a deficient number, since it is larger than the sum of its proper divisors (8357183).

1094773681 is an equidigital number, since it uses as much as digits as its factorization.

1094773681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357182.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 1094773681 is about 33087.3643707080. The cubic root of 1094773681 is about 1030.6426633094.

The spelling of 1094773681 in words is "one billion, ninety-four million, seven hundred seventy-three thousand, six hundred eighty-one".