354119989 has 2 divisors, whose sum is σ = 354119990. Its totient is φ = 354119988.

The previous prime is 354119923. The next prime is 354120017. The reversal of 354119989 is 989911453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311804964 + 42315025 = 17658^2 + 6505^2 .

It is a cyclic number.

It is not a de Polignac number, because 354119989 - 2¹⁵ = 354087221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354119089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177059994 + 177059995.

It is an arithmetic number, because the mean of its divisors is an integer number (177059995).

Almost surely, 2^354119989 is an apocalyptic number.

It is an amenable number.

354119989 is a deficient number, since it is larger than the sum of its proper divisors (1).

354119989 is an equidigital number, since it uses as much as digits as its factorization.

354119989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 49.

The square root of 354119989 is about 18818.0761237699. The cubic root of 354119989 is about 707.4843118548.

The spelling of 354119989 in words is "three hundred fifty-four million, one hundred nineteen thousand, nine hundred eighty-nine".