2182548449993 has 4 divisors (see below), whose sum is σ = 2182567863828. Its totient is φ = 2182529036160.

The previous prime is 2182548449957. The next prime is 2182548450001. The reversal of 2182548449993 is 3999448452812.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1911770798224 + 270777651769 = 1382668^2 + 520363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2182548449993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182548440993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9537296 + ... + 9763457.

It is an arithmetic number, because the mean of its divisors is an integer number (545641965957).

Almost surely, 2^{2182548449993} is an apocalyptic number.

It is an amenable number.

2182548449993 is a deficient number, since it is larger than the sum of its proper divisors (19413835).

2182548449993 is a wasteful number, since it uses less digits than its factorization.

2182548449993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19413834.

The product of its digits is 179159040, while the sum is 68.

The spelling of 2182548449993 in words is "two trillion, one hundred eighty-two billion, five hundred forty-eight million, four hundred forty-nine thousand, nine hundred ninety-three".