6542587379 has 2 divisors, whose sum is σ = 6542587380. Its totient is φ = 6542587378.

The previous prime is 6542587301. The next prime is 6542587397. The reversal of 6542587379 is 9737852456.

Together with next prime (6542587397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6542587379 - 2¹² = 6542583283 is a prime.

It is a super-2 number, since 2×6542587379² = 85610899223700179282, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6542580379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271293689 + 3271293690.

It is an arithmetic number, because the mean of its divisors is an integer number (3271293690).

Almost surely, 2^6542587379 is an apocalyptic number.

6542587379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6542587379 is an equidigital number, since it uses as much as digits as its factorization.

6542587379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 56.

The square root of 6542587379 is about 80886.2619917622. The cubic root of 6542587379 is about 1870.3225519082.

The spelling of 6542587379 in words is "six billion, five hundred forty-two million, five hundred eighty-seven thousand, three hundred seventy-nine".