539324697641 has 2 divisors, whose sum is σ = 539324697642. Its totient is φ = 539324697640.

The previous prime is 539324697599. The next prime is 539324697671. The reversal of 539324697641 is 146796423935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521001014416 + 18323683225 = 721804^2 + 135365^2 .

It is a cyclic number.

It is not a de Polignac number, because 539324697641 - 2¹⁴ = 539324681257 is a prime.

It is a super-2 number, since 2×539324697641² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (539324697671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269662348820 + 269662348821.

It is an arithmetic number, because the mean of its divisors is an integer number (269662348821).

Almost surely, 2^539324697641 is an apocalyptic number.

It is an amenable number.

539324697641 is a deficient number, since it is larger than the sum of its proper divisors (1).

539324697641 is an equidigital number, since it uses as much as digits as its factorization.

539324697641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 59.

The spelling of 539324697641 in words is "five hundred thirty-nine billion, three hundred twenty-four million, six hundred ninety-seven thousand, six hundred forty-one".