19544252982 has 48 divisors (see below), whose sum is σ = 40690430352. Its totient is φ = 6257856640.

The previous prime is 19544252971. The next prime is 19544252993. The reversal of 19544252982 is 28925244591.

It is an interprime number because it is at equal distance from previous prime (19544252971) and next prime (19544252993).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 984232 + ... + 1003892.

It is an arithmetic number, because the mean of its divisors is an integer number (847717299).

Almost surely, 2^19544252982 is an apocalyptic number.

19544252982 is an abundant number, since it is smaller than the sum of its proper divisors (21146177370).

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

19544252982 is a wasteful number, since it uses less digits than its factorization.

19544252982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19921 (or 19892 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The spelling of 19544252982 in words is "nineteen billion, five hundred forty-four million, two hundred fifty-two thousand, nine hundred eighty-two".