1089734153689 has 4 divisors (see below), whose sum is σ = 1089841643280. Its totient is φ = 1089626664100.

The previous prime is 1089734153681. The next prime is 1089734153719. The reversal of 1089734153689 is 9863514379801.

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 not a de Polignac number, because 1089734153689 - 2³ = 1089734153681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089734153689.

It is not an unprimeable number, because it can be changed into a prime (1089734153681) 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, 53729587 + ... + 53749864.

It is an arithmetic number, because the mean of its divisors is an integer number (272460410820).

Almost surely, 2^{1089734153689} is an apocalyptic number.

It is an amenable number.

1089734153689 is a deficient number, since it is larger than the sum of its proper divisors (107489591).

1089734153689 is a wasteful number, since it uses less digits than its factorization.

1089734153689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107489590.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 1089734153689 in words is "one trillion, eighty-nine billion, seven hundred thirty-four million, one hundred fifty-three thousand, six hundred eighty-nine".