19445696286 has 16 divisors (see below), whose sum is σ = 38918740224. Its totient is φ = 6477340824.

The previous prime is 19445696261. The next prime is 19445696287. The reversal of 19445696286 is 68269654491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19445696287) 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 7 ways as a sum of consecutive naturals, for example, 1130236 + ... + 1147311.

It is an arithmetic number, because the mean of its divisors is an integer number (2432421264).

Almost surely, 2^19445696286 is an apocalyptic number.

19445696286 is an abundant number, since it is smaller than the sum of its proper divisors (19473043938).

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

19445696286 is a wasteful number, since it uses less digits than its factorization.

19445696286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278975.

The product of its digits is 22394880, while the sum is 60.

The spelling of 19445696286 in words is "nineteen billion, four hundred forty-five million, six hundred ninety-six thousand, two hundred eighty-six".