19870482436 has 48 divisors (see below), whose sum is σ = 42464822400. Its totient is φ = 7941431808.

The previous prime is 19870482427. The next prime is 19870482491. The reversal of 19870482436 is 63428407891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139606 + ... + 243373.

It is an arithmetic number, because the mean of its divisors is an integer number (884683800).

Almost surely, 2^19870482436 is an apocalyptic number.

It is an amenable number.

19870482436 is an abundant number, since it is smaller than the sum of its proper divisors (22594339964).

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

19870482436 is a wasteful number, since it uses less digits than its factorization.

19870482436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383116 (or 383114 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 19870482436 in words is "nineteen billion, eight hundred seventy million, four hundred eighty-two thousand, four hundred thirty-six".