19486063344 has 40 divisors (see below), whose sum is σ = 54915270912. Its totient is φ = 5904867520.

The previous prime is 19486063253. The next prime is 19486063367. The reversal of 19486063344 is 44336068491.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19486063293 and 19486063302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18452184 + ... + 18453239.

Almost surely, 2^19486063344 is an apocalyptic number.

It is an amenable number.

19486063344 is an abundant number, since it is smaller than the sum of its proper divisors (35429207568).

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

19486063344 is a wasteful number, since it uses less digits than its factorization.

19486063344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36905445 (or 36905439 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 19486063344 in words is "nineteen billion, four hundred eighty-six million, sixty-three thousand, three hundred forty-four".