1319192985648 has 40 divisors (see below), whose sum is σ = 3417408057600. Its totient is φ = 438506112064.

The previous prime is 1319192985599. The next prime is 1319192985667. The reversal of 1319192985648 is 8465892919131.

It is a happy 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, 38260188 + ... + 38294651.

It is an arithmetic number, because the mean of its divisors is an integer number (85435201440).

Almost surely, 2^{1319192985648} is an apocalyptic number.

It is an amenable number.

1319192985648 is an abundant number, since it is smaller than the sum of its proper divisors (2098215071952).

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

1319192985648 is a wasteful number, since it uses less digits than its factorization.

1319192985648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76555209 (or 76555203 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 66.

The spelling of 1319192985648 in words is "one trillion, three hundred nineteen billion, one hundred ninety-two million, nine hundred eighty-five thousand, six hundred forty-eight".