542044541617 has 2 divisors, whose sum is σ = 542044541618. Its totient is φ = 542044541616.

The previous prime is 542044541603. The next prime is 542044541693. The reversal of 542044541617 is 716145440245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492248172816 + 49796368801 = 701604^2 + 223151^2 .

It is a cyclic number.

It is not a de Polignac number, because 542044541617 - 2¹⁵ = 542044508849 is a prime.

It is not a weakly prime, because it can be changed into another prime (542044841617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271022270808 + 271022270809.

It is an arithmetic number, because the mean of its divisors is an integer number (271022270809).

Almost surely, 2^542044541617 is an apocalyptic number.

It is an amenable number.

542044541617 is a deficient number, since it is larger than the sum of its proper divisors (1).

542044541617 is an equidigital number, since it uses as much as digits as its factorization.

542044541617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 542044541617 in words is "five hundred forty-two billion, forty-four million, five hundred forty-one thousand, six hundred seventeen".