350818649 has 2 divisors, whose sum is σ = 350818650. Its totient is φ = 350818648.

The previous prime is 350818583. The next prime is 350818667. The reversal of 350818649 is 946818053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347151424 + 3667225 = 18632^2 + 1915^2 .

It is an emirp because it is prime and its reverse (946818053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350818649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (350818849) 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, 175409324 + 175409325.

It is an arithmetic number, because the mean of its divisors is an integer number (175409325).

Almost surely, 2^350818649 is an apocalyptic number.

It is an amenable number.

350818649 is a deficient number, since it is larger than the sum of its proper divisors (1).

350818649 is an equidigital number, since it uses as much as digits as its factorization.

350818649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 350818649 is about 18730.1534697396. The cubic root of 350818649 is about 705.2788990920.

The spelling of 350818649 in words is "three hundred fifty million, eight hundred eighteen thousand, six hundred forty-nine".