3650905409 has 2 divisors, whose sum is σ = 3650905410. Its totient is φ = 3650905408.

The previous prime is 3650905387. The next prime is 3650905441. The reversal of 3650905409 is 9045090563.

3650905409 is digitally balanced in base 3, 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., 2478048400 + 1172857009 = 49780^2 + 34247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3650905409 is a prime.

It is a super-2 number, since 2×3650905409² = 26658220610930914562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3650905469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825452704 + 1825452705.

It is an arithmetic number, because the mean of its divisors is an integer number (1825452705).

Almost surely, 2^3650905409 is an apocalyptic number.

It is an amenable number.

3650905409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3650905409 is an equidigital number, since it uses as much as digits as its factorization.

3650905409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 3650905409 is about 60422.7226215436. The cubic root of 3650905409 is about 1539.8090235152.

The spelling of 3650905409 in words is "three billion, six hundred fifty million, nine hundred five thousand, four hundred nine".