19450006882 has 4 divisors (see below), whose sum is σ = 29175010326. Its totient is φ = 9725003440.

The previous prime is 19450006819. The next prime is 19450006883. The reversal of 19450006882 is 28860005491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28860005491 = 131303 ⋅219797.

It can be written as a sum of positive squares in only one way, i.e., 11018910841 + 8431096041 = 104971^2 + 91821^2 .

It is not an unprimeable number, because it can be changed into a prime (19450006883) 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 as a sum of consecutive naturals, namely, 4862501719 + ... + 4862501722.

Almost surely, 2^19450006882 is an apocalyptic number.

19450006882 is a deficient number, since it is larger than the sum of its proper divisors (9725003444).

19450006882 is an equidigital number, since it uses as much as digits as its factorization.

19450006882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725003443.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 19450006882 in words is "nineteen billion, four hundred fifty million, six thousand, eight hundred eighty-two".