542147659 has 2 divisors, whose sum is σ = 542147660. Its totient is φ = 542147658.

The previous prime is 542147657. The next prime is 542147681. The reversal of 542147659 is 956741245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542147659 - 2¹ = 542147657 is a prime.

Together with 542147657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (542147657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271073829 + 271073830.

It is an arithmetic number, because the mean of its divisors is an integer number (271073830).

Almost surely, 2^542147659 is an apocalyptic number.

542147659 is a deficient number, since it is larger than the sum of its proper divisors (1).

542147659 is an equidigital number, since it uses as much as digits as its factorization.

542147659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 542147659 is about 23284.0644862533. The cubic root of 542147659 is about 815.4034205353.

The spelling of 542147659 in words is "five hundred forty-two million, one hundred forty-seven thousand, six hundred fifty-nine".