1648512180993 has 8 divisors (see below), whose sum is σ = 2219356205248. Its totient is φ = 1088338138704.

The previous prime is 1648512180949. The next prime is 1648512181007. The reversal of 1648512180993 is 3990812158461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1648512180993 - 2¹² = 1648512176897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1648512180493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2667495130 + ... + 2667495747.

It is an arithmetic number, because the mean of its divisors is an integer number (277419525656).

Almost surely, 2^{1648512180993} is an apocalyptic number.

It is an amenable number.

1648512180993 is a deficient number, since it is larger than the sum of its proper divisors (570844024255).

1648512180993 is a wasteful number, since it uses less digits than its factorization.

1648512180993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334990983.

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 1648512180993 in words is "one trillion, six hundred forty-eight billion, five hundred twelve million, one hundred eighty thousand, nine hundred ninety-three".