3500506181243 has 2 divisors, whose sum is σ = 3500506181244. Its totient is φ = 3500506181242.

The previous prime is 3500506181167. The next prime is 3500506181269. The reversal of 3500506181243 is 3421816050053.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3500506181243 - 2²⁶ = 3500439072379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3500506181197 and 3500506181206.

It is not a weakly prime, because it can be changed into another prime (3500506181143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1750253090621 + 1750253090622.

It is an arithmetic number, because the mean of its divisors is an integer number (1750253090622).

Almost surely, 2^{3500506181243} is an apocalyptic number.

3500506181243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3500506181243 is an equidigital number, since it uses as much as digits as its factorization.

3500506181243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 3500506181243 in words is "three trillion, five hundred billion, five hundred six million, one hundred eighty-one thousand, two hundred forty-three".