539741478241 has 9 divisors (see below), whose sum is σ = 627868518291. Its totient is φ = 462631144752.

The previous prime is 539741478187. The next prime is 539741478271. The reversal of 539741478241 is 142874147935.

It is a happy number.

The square root of 539741478241 is 734671.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 115284016225 + 424457462016 = 339535^2 + 651504^2 .

It is not a de Polignac number, because 539741478241 - 2¹³ = 539741470049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (539741478271) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5090221 + ... + 5195173.

It is an arithmetic number, because the mean of its divisors is an integer number (69763168699).

Almost surely, 2^539741478241 is an apocalyptic number.

539741478241 is the 734671-st square number.

539741478241 is the 367336-th centered octagonal number.

It is an amenable number.

539741478241 is a deficient number, since it is larger than the sum of its proper divisors (88127040050).

539741478241 is an frugal number, since it uses more digits than its factorization.

539741478241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209920 (or 104960 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The spelling of 539741478241 in words is "five hundred thirty-nine billion, seven hundred forty-one million, four hundred seventy-eight thousand, two hundred forty-one".