1849680658433 has 2 divisors, whose sum is σ = 1849680658434. Its totient is φ = 1849680658432.

The previous prime is 1849680658379. The next prime is 1849680658451. The reversal of 1849680658433 is 3348560869481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1639198817344 + 210481841089 = 1280312^2 + 458783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1849680658433 - 2¹⁴ = 1849680642049 is a prime.

It is a super-2 number, since 2×1849680658433² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1849680658433.

It is not a weakly prime, because it can be changed into another prime (1849680658453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924840329216 + 924840329217.

It is an arithmetic number, because the mean of its divisors is an integer number (924840329217).

Almost surely, 2^{1849680658433} is an apocalyptic number.

It is an amenable number.

1849680658433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1849680658433 is an equidigital number, since it uses as much as digits as its factorization.

1849680658433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119439360, while the sum is 65.

The spelling of 1849680658433 in words is "one trillion, eight hundred forty-nine billion, six hundred eighty million, six hundred fifty-eight thousand, four hundred thirty-three".