3126208345 has 8 divisors (see below), whose sum is σ = 4040023176. Its totient is φ = 2308584576.

The previous prime is 3126208249. The next prime is 3126208367. The reversal of 3126208345 is 5438026213.

It can be written as a sum of positive squares in 4 ways, for example, as 142754704 + 2983453641 = 11948^2 + 54621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3126208345 - 2¹¹ = 3126206297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3126208345.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24047692 + ... + 24047821.

It is an arithmetic number, because the mean of its divisors is an integer number (505002897).

Almost surely, 2^3126208345 is an apocalyptic number.

It is an amenable number.

3126208345 is a deficient number, since it is larger than the sum of its proper divisors (913814831).

3126208345 is a wasteful number, since it uses less digits than its factorization.

3126208345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48095531.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 3126208345 is about 55912.5061591769. The cubic root of 3126208345 is about 1462.1972833419.

The spelling of 3126208345 in words is "three billion, one hundred twenty-six million, two hundred eight thousand, three hundred forty-five".