353069489 has 4 divisors (see below), whose sum is σ = 353703924. Its totient is φ = 352435056.

The previous prime is 353069473. The next prime is 353069501. The reversal of 353069489 is 984960353.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125059489 + 228010000 = 11183^2 + 15100^2 .

It is a cyclic number.

It is not a de Polignac number, because 353069489 - 2⁴ = 353069473 is a prime.

It is a super-2 number, since 2×353069489² = 249316128125442242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353069459) 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, 316382 + ... + 317495.

It is an arithmetic number, because the mean of its divisors is an integer number (88425981).

Almost surely, 2^353069489 is an apocalyptic number.

It is an amenable number.

353069489 is a deficient number, since it is larger than the sum of its proper divisors (634435).

353069489 is an equidigital number, since it uses as much as digits as its factorization.

353069489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634434.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 353069489 is about 18790.1434001979. The cubic root of 353069489 is about 706.7840328331.

The spelling of 353069489 in words is "three hundred fifty-three million, sixty-nine thousand, four hundred eighty-nine".