6141855817 has 2 divisors, whose sum is σ = 6141855818. Its totient is φ = 6141855816.

The previous prime is 6141855779. The next prime is 6141855823. The reversal of 6141855817 is 7185581416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5308725321 + 833130496 = 72861^2 + 28864^2 .

It is a cyclic number.

It is not a de Polignac number, because 6141855817 - 2⁷ = 6141855689 is a prime.

It is not a weakly prime, because it can be changed into another prime (6141855827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070927908 + 3070927909.

It is an arithmetic number, because the mean of its divisors is an integer number (3070927909).

Almost surely, 2^6141855817 is an apocalyptic number.

It is an amenable number.

6141855817 is a deficient number, since it is larger than the sum of its proper divisors (1).

6141855817 is an equidigital number, since it uses as much as digits as its factorization.

6141855817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 46.

The square root of 6141855817 is about 78369.9930904680. The cubic root of 6141855817 is about 1831.3297010713.

The spelling of 6141855817 in words is "six billion, one hundred forty-one million, eight hundred fifty-five thousand, eight hundred seventeen".