538339449737 has 2 divisors, whose sum is σ = 538339449738. Its totient is φ = 538339449736.

The previous prime is 538339449707. The next prime is 538339449743. The reversal of 538339449737 is 737944933835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292135926016 + 246203523721 = 540496^2 + 496189^2 .

It is a cyclic number.

It is not a de Polignac number, because 538339449737 - 2¹⁶ = 538339384201 is a prime.

It is not a weakly prime, because it can be changed into another prime (538339449707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269169724868 + 269169724869.

It is an arithmetic number, because the mean of its divisors is an integer number (269169724869).

Almost surely, 2^538339449737 is an apocalyptic number.

It is an amenable number.

538339449737 is a deficient number, since it is larger than the sum of its proper divisors (1).

538339449737 is an equidigital number, since it uses as much as digits as its factorization.

538339449737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 205752960, while the sum is 65.

The spelling of 538339449737 in words is "five hundred thirty-eight billion, three hundred thirty-nine million, four hundred forty-nine thousand, seven hundred thirty-seven".