542708752249 has 2 divisors, whose sum is σ = 542708752250. Its totient is φ = 542708752248.

The previous prime is 542708752219. The next prime is 542708752259. The reversal of 542708752249 is 942257807245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493551211024 + 49157541225 = 702532^2 + 221715^2 .

It is a cyclic number.

It is not a de Polignac number, because 542708752249 - 2¹¹ = 542708750201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542708752249.

It is not a weakly prime, because it can be changed into another prime (542708752219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271354376124 + 271354376125.

It is an arithmetic number, because the mean of its divisors is an integer number (271354376125).

Almost surely, 2^542708752249 is an apocalyptic number.

It is an amenable number.

542708752249 is a deficient number, since it is larger than the sum of its proper divisors (1).

542708752249 is an equidigital number, since it uses as much as digits as its factorization.

542708752249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 542708752249 in words is "five hundred forty-two billion, seven hundred eight million, seven hundred fifty-two thousand, two hundred forty-nine".