19248782001 has 4 divisors (see below), whose sum is σ = 25665042672. Its totient is φ = 12832521332.

The previous prime is 19248781973. The next prime is 19248782017. The reversal of 19248782001 is 10028784291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10028784291 = 3 ⋅3342928097.

It is a cyclic number.

It is not a de Polignac number, because 19248782001 - 2⁷ = 19248781873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19248712001) 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, 3208130331 + ... + 3208130336.

It is an arithmetic number, because the mean of its divisors is an integer number (6416260668).

Almost surely, 2^19248782001 is an apocalyptic number.

It is an amenable number.

19248782001 is a deficient number, since it is larger than the sum of its proper divisors (6416260671).

19248782001 is an equidigital number, since it uses as much as digits as its factorization.

19248782001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416260670.

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 19248782001 in words is "nineteen billion, two hundred forty-eight million, seven hundred eighty-two thousand, one".