350568149 has 4 divisors (see below), whose sum is σ = 353670636. Its totient is φ = 347465664.

The previous prime is 350568143. The next prime is 350568157. The reversal of 350568149 is 941865053.

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 16957924 + 333610225 = 4118^2 + 18265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350568149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350568143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551074 + ... + 1551299.

It is an arithmetic number, because the mean of its divisors is an integer number (88417659).

Almost surely, 2^350568149 is an apocalyptic number.

It is an amenable number.

350568149 is a deficient number, since it is larger than the sum of its proper divisors (3102487).

350568149 is a wasteful number, since it uses less digits than its factorization.

350568149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102486.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 350568149 is about 18723.4651974468. The cubic root of 350568149 is about 705.1109923668.

The spelling of 350568149 in words is "three hundred fifty million, five hundred sixty-eight thousand, one hundred forty-nine".