1648447413 has 8 divisors (see below), whose sum is σ = 2268830976. Its totient is φ = 1063514400.

The previous prime is 1648447397. The next prime is 1648447453. The reversal of 1648447413 is 3147448461.

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

It is not a de Polignac number, because 1648447413 - 2⁴ = 1648447397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648447453) 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, 8862528 + ... + 8862713.

It is an arithmetic number, because the mean of its divisors is an integer number (283603872).

Almost surely, 2^1648447413 is an apocalyptic number.

It is an amenable number.

1648447413 is a deficient number, since it is larger than the sum of its proper divisors (620383563).

1648447413 is a wasteful number, since it uses less digits than its factorization.

1648447413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17725275.

The product of its digits is 258048, while the sum is 42.

The square root of 1648447413 is about 40601.0765005067. The cubic root of 1648447413 is about 1181.2950000382.

The spelling of 1648447413 in words is "one billion, six hundred forty-eight million, four hundred forty-seven thousand, four hundred thirteen".