19086896448 has 42 divisors (see below), whose sum is σ = 54709144074. Its totient is φ = 6362298624.

The previous prime is 19086896429. The next prime is 19086896461. The reversal of 19086896448 is 84469868091.

It can be written as a sum of positive squares in only one way, i.e., 9953653824 + 9133242624 = 99768^2 + 95568^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16567911 + ... + 16569062.

Almost surely, 2^19086896448 is an apocalyptic number.

19086896448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19086896448 is an abundant number, since it is smaller than the sum of its proper divisors (35622247626).

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

19086896448 is a wasteful number, since it uses less digits than its factorization.

19086896448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33136991 (or 33136978 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 19086896448 in words is "nineteen billion, eighty-six million, eight hundred ninety-six thousand, four hundred forty-eight".