4131344866993 has 2 divisors, whose sum is σ = 4131344866994. Its totient is φ = 4131344866992.

The previous prime is 4131344866939. The next prime is 4131344866997. The reversal of 4131344866993 is 3996684431314.

Together with previous prime (4131344866939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3954816323584 + 176528543409 = 1988672^2 + 420153^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131344866993 - 2²⁵ = 4131311312561 is a prime.

It is not a weakly prime, because it can be changed into another prime (4131344866997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065672433496 + 2065672433497.

It is an arithmetic number, because the mean of its divisors is an integer number (2065672433497).

Almost surely, 2^{4131344866993} is an apocalyptic number.

It is an amenable number.

4131344866993 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131344866993 is an equidigital number, since it uses as much as digits as its factorization.

4131344866993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40310784, while the sum is 61.

The spelling of 4131344866993 in words is "four trillion, one hundred thirty-one billion, three hundred forty-four million, eight hundred sixty-six thousand, nine hundred ninety-three".