1948283664 has 20 divisors (see below), whose sum is σ = 5033066256. Its totient is φ = 649427872.

The previous prime is 1948283627. The next prime is 1948283671. The reversal of 1948283664 is 4663828491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20294574 + ... + 20294669.

Almost surely, 2^1948283664 is an apocalyptic number.

It is an amenable number.

1948283664 is an abundant number, since it is smaller than the sum of its proper divisors (3084782592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1948283664 is a wasteful number, since it uses less digits than its factorization.

1948283664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40589254 (or 40589248 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 1948283664 is about 44139.3663751531. The cubic root of 1948283664 is about 1248.9663271052.

The spelling of 1948283664 in words is "one billion, nine hundred forty-eight million, two hundred eighty-three thousand, six hundred sixty-four".