1948023663 has 64 divisors (see below), whose sum is σ = 2887778304. Its totient is φ = 1164240000.

The previous prime is 1948023661. The next prime is 1948023673. The reversal of 1948023663 is 3663208491.

It is not a de Polignac number, because 1948023663 - 2¹ = 1948023661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948023661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15338706 + ... + 15338832.

It is an arithmetic number, because the mean of its divisors is an integer number (45121536).

Almost surely, 2^1948023663 is an apocalyptic number.

1948023663 is a deficient number, since it is larger than the sum of its proper divisors (939754641).

1948023663 is a wasteful number, since it uses less digits than its factorization.

1948023663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 1948023663 is about 44136.4210488345. The cubic root of 1948023663 is about 1248.9107659043.

The spelling of 1948023663 in words is "one billion, nine hundred forty-eight million, twenty-three thousand, six hundred sixty-three".