2193499287648 has 36 divisors (see below), whose sum is σ = 6237763600068. Its totient is φ = 731166429120.

The previous prime is 2193499287587. The next prime is 2193499287653. The reversal of 2193499287648 is 8467829943912.

2193499287648 is a `hidden beast` number, since 2 + 1 + 9 + 3 + 499 + 28 + 76 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2193499287648² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 3808158198 + ... + 3808158773.

It is an arithmetic number, because the mean of its divisors is an integer number (173271211113).

Almost surely, 2^{2193499287648} is an apocalyptic number.

It is an amenable number.

2193499287648 is an abundant number, since it is smaller than the sum of its proper divisors (4044264312420).

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

2193499287648 is a wasteful number, since it uses less digits than its factorization.

2193499287648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616316987 (or 7616316976 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 2193499287648 in words is "two trillion, one hundred ninety-three billion, four hundred ninety-nine million, two hundred eighty-seven thousand, six hundred forty-eight".