6141855779 has 2 divisors, whose sum is σ = 6141855780. Its totient is φ = 6141855778.

The previous prime is 6141855757. The next prime is 6141855817. The reversal of 6141855779 is 9775581416.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6141855779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6141855779.

It is not a weakly prime, because it can be changed into another prime (6141855739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3070927889 + 3070927890.

It is an arithmetic number, because the mean of its divisors is an integer number (3070927890).

Almost surely, 2^6141855779 is an apocalyptic number.

6141855779 is a deficient number, since it is larger than the sum of its proper divisors (1).

6141855779 is an equidigital number, since it uses as much as digits as its factorization.

6141855779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 53.

The square root of 6141855779 is about 78369.9928480283. The cubic root of 6141855779 is about 1831.3296972944.

The spelling of 6141855779 in words is "six billion, one hundred forty-one million, eight hundred fifty-five thousand, seven hundred seventy-nine".