1089154343 has 2 divisors, whose sum is σ = 1089154344. Its totient is φ = 1089154342.

The previous prime is 1089154331. The next prime is 1089154357. The reversal of 1089154343 is 3434519801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1089154343 - 2⁴ = 1089154327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1089154297 and 1089154306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089154643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544577171 + 544577172.

It is an arithmetic number, because the mean of its divisors is an integer number (544577172).

Almost surely, 2^1089154343 is an apocalyptic number.

1089154343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089154343 is an equidigital number, since it uses as much as digits as its factorization.

1089154343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1089154343 is about 33002.3384474494. The cubic root of 1089154343 is about 1028.8762504562.

The spelling of 1089154343 in words is "one billion, eighty-nine million, one hundred fifty-four thousand, three hundred forty-three".