19598282420 has 12 divisors (see below), whose sum is σ = 41156393124. Its totient is φ = 7839312960.

The previous prime is 19598282419. The next prime is 19598282423. The reversal of 19598282420 is 2428289591.

It can be written as a sum of positive squares in 2 ways, for example, as 4056670864 + 15541611556 = 63692^2 + 124666^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19598282423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489957041 + ... + 489957080.

It is an arithmetic number, because the mean of its divisors is an integer number (3429699427).

Almost surely, 2^19598282420 is an apocalyptic number.

19598282420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19598282420 is an abundant number, since it is smaller than the sum of its proper divisors (21558110704).

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

19598282420 is a wasteful number, since it uses less digits than its factorization.

19598282420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979914130 (or 979914128 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 19598282420 in words is "nineteen billion, five hundred ninety-eight million, two hundred eighty-two thousand, four hundred twenty".