2182025646793 has 4 divisors (see below), whose sum is σ = 2182028740740. Its totient is φ = 2182022552848.

The previous prime is 2182025646791. The next prime is 2182025646797. The reversal of 2182025646793 is 3976465202812.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 265650560569 + 1916375086224 = 515413^2 + 1384332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182025646793 - 2¹ = 2182025646791 is a prime.

It is a super-2 number, since 2×2182025646793² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182025646791) 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, 84303 + ... + 2090731.

It is an arithmetic number, because the mean of its divisors is an integer number (545507185185).

It is a 1-persistent number, because it is pandigital, but 2⋅2182025646793 = 4364051293586 is not.

Almost surely, 2^{2182025646793} is an apocalyptic number.

It is an amenable number.

2182025646793 is a deficient number, since it is larger than the sum of its proper divisors (3093947).

2182025646793 is a wasteful number, since it uses less digits than its factorization.

2182025646793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093946.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 2182025646793 in words is "two trillion, one hundred eighty-two billion, twenty-five million, six hundred forty-six thousand, seven hundred ninety-three".