4255812843197 has 2 divisors, whose sum is σ = 4255812843198. Its totient is φ = 4255812843196.

The previous prime is 4255812843193. The next prime is 4255812843221. The reversal of 4255812843197 is 7913482185524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4242524748121 + 13288095076 = 2059739^2 + 115274^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255812843197 - 2² = 4255812843193 is a prime.

It is a super-2 number, since 2×4255812843197² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255812843193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127906421598 + 2127906421599.

It is an arithmetic number, because the mean of its divisors is an integer number (2127906421599).

Almost surely, 2^{4255812843197} is an apocalyptic number.

It is an amenable number.

4255812843197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255812843197 is an equidigital number, since it uses as much as digits as its factorization.

4255812843197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 59.

The spelling of 4255812843197 in words is "four trillion, two hundred fifty-five billion, eight hundred twelve million, eight hundred forty-three thousand, one hundred ninety-seven".