1648839085 has 8 divisors (see below), whose sum is σ = 2024621280. Its totient is φ = 1288395024.

The previous prime is 1648839083. The next prime is 1648839131. The reversal of 1648839085 is 5809388461.

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 1648839085 - 2¹ = 1648839083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648839083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834295 + ... + 3834724.

It is an arithmetic number, because the mean of its divisors is an integer number (253077660).

Almost surely, 2^1648839085 is an apocalyptic number.

It is an amenable number.

1648839085 is a deficient number, since it is larger than the sum of its proper divisors (375782195).

1648839085 is an equidigital number, since it uses as much as digits as its factorization.

1648839085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669067.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 1648839085 is about 40605.8996329351. The cubic root of 1648839085 is about 1181.3885514070.

The spelling of 1648839085 in words is "one billion, six hundred forty-eight million, eight hundred thirty-nine thousand, eighty-five".