6135945779 has 16 divisors (see below), whose sum is σ = 6681333600. Its totient is φ = 5613256704.

The previous prime is 6135945769. The next prime is 6135945787. The reversal of 6135945779 is 9775495316.

6135945779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6135945779 - 2⁴ = 6135945763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6135945769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54899 + ... + 123635.

It is an arithmetic number, because the mean of its divisors is an integer number (417583350).

Almost surely, 2^6135945779 is an apocalyptic number.

6135945779 is a deficient number, since it is larger than the sum of its proper divisors (545387821).

6135945779 is a wasteful number, since it uses less digits than its factorization.

6135945779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68902.

The product of its digits is 7144200, while the sum is 56.

The square root of 6135945779 is about 78332.2780148771. The cubic root of 6135945779 is about 1830.7421098570.

The spelling of 6135945779 in words is "six billion, one hundred thirty-five million, nine hundred forty-five thousand, seven hundred seventy-nine".