19304947948 has 48 divisors (see below), whose sum is σ = 41778858240. Its totient is φ = 7673659200.

The previous prime is 19304947943. The next prime is 19304947979. The reversal of 19304947948 is 84974940391.

It is a junction number, because it is equal to n+sod(n) for n = 19304947892 and 19304947901.

It is not an unprimeable number, because it can be changed into a prime (19304947943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877288 + ... + 899023.

It is an arithmetic number, because the mean of its divisors is an integer number (870392880).

Almost surely, 2^19304947948 is an apocalyptic number.

It is an amenable number.

19304947948 is an abundant number, since it is smaller than the sum of its proper divisors (22473910292).

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

19304947948 is a wasteful number, since it uses less digits than its factorization.

19304947948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776358 (or 1776356 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 19304947948 in words is "nineteen billion, three hundred four million, nine hundred forty-seven thousand, nine hundred forty-eight".