1648463948 has 12 divisors (see below), whose sum is σ = 2886400272. Its totient is φ = 823778160.

The previous prime is 1648463941. The next prime is 1648463951. The reversal of 1648463948 is 8493648461.

It is a self number, because there is not a number n which added to its sum of digits gives 1648463948.

It is not an unprimeable number, because it can be changed into a prime (1648463941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105215 + ... + 119862.

It is an arithmetic number, because the mean of its divisors is an integer number (240533356).

Almost surely, 2^1648463948 is an apocalyptic number.

It is an amenable number.

1648463948 is a deficient number, since it is larger than the sum of its proper divisors (1237936324).

1648463948 is a wasteful number, since it uses less digits than its factorization.

1648463948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226912 (or 226910 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The square root of 1648463948 is about 40601.2801276019. The cubic root of 1648463948 is about 1181.2989497441.

The spelling of 1648463948 in words is "one billion, six hundred forty-eight million, four hundred sixty-three thousand, nine hundred forty-eight".