19248687620 has 12 divisors (see below), whose sum is σ = 40422244044. Its totient is φ = 7699475040.

The previous prime is 19248687611. The next prime is 19248687629. The reversal of 19248687620 is 2678684291.

It is an interprime number because it is at equal distance from previous prime (19248687611) and next prime (19248687629).

It can be written as a sum of positive squares in 2 ways, for example, as 4931129284 + 14317558336 = 70222^2 + 119656^2 .

It is not an unprimeable number, because it can be changed into a prime (19248687629) 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 3 ways as a sum of consecutive naturals, for example, 481217171 + ... + 481217210.

It is an arithmetic number, because the mean of its divisors is an integer number (3368520337).

Almost surely, 2^19248687620 is an apocalyptic number.

19248687620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19248687620 is an abundant number, since it is smaller than the sum of its proper divisors (21173556424).

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

19248687620 is a wasteful number, since it uses less digits than its factorization.

19248687620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962434390 (or 962434388 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 19248687620 in words is "nineteen billion, two hundred forty-eight million, six hundred eighty-seven thousand, six hundred twenty".