542061565679 has 2 divisors, whose sum is σ = 542061565680. Its totient is φ = 542061565678.

The previous prime is 542061565613. The next prime is 542061565699. The reversal of 542061565679 is 976565160245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542061565679 - 2¹² = 542061561583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542061565699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271030782839 + 271030782840.

It is an arithmetic number, because the mean of its divisors is an integer number (271030782840).

Almost surely, 2^542061565679 is an apocalyptic number.

542061565679 is a deficient number, since it is larger than the sum of its proper divisors (1).

542061565679 is an equidigital number, since it uses as much as digits as its factorization.

542061565679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 542061565679 in words is "five hundred forty-two billion, sixty-one million, five hundred sixty-five thousand, six hundred seventy-nine".