1648263715 has 48 divisors (see below), whose sum is σ = 2351214432. Its totient is φ = 1105767936.

The previous prime is 1648263703. The next prime is 1648263719. The reversal of 1648263715 is 5173628461.

It is not a de Polignac number, because 1648263715 - 2¹⁹ = 1647739427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1648263719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2807652 + ... + 2808238.

It is an arithmetic number, because the mean of its divisors is an integer number (48983634).

Almost surely, 2^1648263715 is an apocalyptic number.

1648263715 is a deficient number, since it is larger than the sum of its proper divisors (702950717).

1648263715 is a wasteful number, since it uses less digits than its factorization.

1648263715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 829 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 1648263715 is about 40598.8142068214. The cubic root of 1648263715 is about 1181.2511184260.

The spelling of 1648263715 in words is "one billion, six hundred forty-eight million, two hundred sixty-three thousand, seven hundred fifteen".