1096743889 has 4 divisors (see below), whose sum is σ = 1097373424. Its totient is φ = 1096114356.

The previous prime is 1096743883. The next prime is 1096743929. The reversal of 1096743889 is 9883476901.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1096743889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1096743883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312147 + ... + 315640.

It is an arithmetic number, because the mean of its divisors is an integer number (274343356).

Almost surely, 2^1096743889 is an apocalyptic number.

It is an amenable number.

1096743889 is a deficient number, since it is larger than the sum of its proper divisors (629535).

1096743889 is an equidigital number, since it uses as much as digits as its factorization.

1096743889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629534.

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

The square root of 1096743889 is about 33117.1238032532. The cubic root of 1096743889 is about 1031.2605576930.

The spelling of 1096743889 in words is "one billion, ninety-six million, seven hundred forty-three thousand, eight hundred eighty-nine".