1354698889 has 2 divisors, whose sum is σ = 1354698890. Its totient is φ = 1354698888.

The previous prime is 1354698883. The next prime is 1354698923. The reversal of 1354698889 is 9888964531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1267929664 + 86769225 = 35608^2 + 9315^2 .

It is an emirp because it is prime and its reverse (9888964531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1354698889 - 2¹¹ = 1354696841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1354698883) 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 as a sum of consecutive naturals, namely, 677349444 + 677349445.

It is an arithmetic number, because the mean of its divisors is an integer number (677349445).

Almost surely, 2^1354698889 is an apocalyptic number.

It is an amenable number.

1354698889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354698889 is an equidigital number, since it uses as much as digits as its factorization.

1354698889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 61.

The square root of 1354698889 is about 36806.2343768009. The cubic root of 1354698889 is about 1106.4902502914.

The spelling of 1354698889 in words is "one billion, three hundred fifty-four million, six hundred ninety-eight thousand, eight hundred eighty-nine".