542045434057 has 2 divisors, whose sum is σ = 542045434058. Its totient is φ = 542045434056.

The previous prime is 542045434037. The next prime is 542045434141. The reversal of 542045434057 is 750434540245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498056244361 + 43989189696 = 705731^2 + 209736^2 .

It is a cyclic number.

It is not a de Polignac number, because 542045434057 - 2³⁵ = 507685695689 is a prime.

It is not a weakly prime, because it can be changed into another prime (542045434037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271022717028 + 271022717029.

It is an arithmetic number, because the mean of its divisors is an integer number (271022717029).

Almost surely, 2^542045434057 is an apocalyptic number.

It is an amenable number.

542045434057 is a deficient number, since it is larger than the sum of its proper divisors (1).

542045434057 is an equidigital number, since it uses as much as digits as its factorization.

542045434057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344000, while the sum is 43.

The spelling of 542045434057 in words is "five hundred forty-two billion, forty-five million, four hundred thirty-four thousand, fifty-seven".