6140542879 has 2 divisors, whose sum is σ = 6140542880. Its totient is φ = 6140542878.

The previous prime is 6140542861. The next prime is 6140542901. The reversal of 6140542879 is 9782450416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6140542879 - 2¹⁵ = 6140510111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6140542819) 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 as a sum of consecutive naturals, namely, 3070271439 + 3070271440.

It is an arithmetic number, because the mean of its divisors is an integer number (3070271440).

Almost surely, 2^6140542879 is an apocalyptic number.

6140542879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6140542879 is an equidigital number, since it uses as much as digits as its factorization.

6140542879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 6140542879 is about 78361.6161076327. The cubic root of 6140542879 is about 1831.1991979694.

The spelling of 6140542879 in words is "six billion, one hundred forty million, five hundred forty-two thousand, eight hundred seventy-nine".