900909349 has 2 divisors, whose sum is σ = 900909350. Its totient is φ = 900909348.

The previous prime is 900909341. The next prime is 900909413. The reversal of 900909349 is 943909009.

900909349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 884765025 + 16144324 = 29745^2 + 4018^2 .

It is an emirp because it is prime and its reverse (943909009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 900909349 - 2³ = 900909341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900909341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450454674 + 450454675.

It is an arithmetic number, because the mean of its divisors is an integer number (450454675).

Almost surely, 2^900909349 is an apocalyptic number.

It is an amenable number.

900909349 is a deficient number, since it is larger than the sum of its proper divisors (1).

900909349 is an equidigital number, since it uses as much as digits as its factorization.

900909349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 900909349 is about 30015.1519902865. The cubic root of 900909349 is about 965.8144480414.

The spelling of 900909349 in words is "nine hundred million, nine hundred nine thousand, three hundred forty-nine".