538937265049 has 2 divisors, whose sum is σ = 538937265050. Its totient is φ = 538937265048.

The previous prime is 538937265043. The next prime is 538937265101. The reversal of 538937265049 is 940562739835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512880848649 + 26056416400 = 716157^2 + 161420^2 .

It is a cyclic number.

It is not a de Polignac number, because 538937265049 - 2²³ = 538928876441 is a prime.

It is not a weakly prime, because it can be changed into another prime (538937265043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269468632524 + 269468632525.

It is an arithmetic number, because the mean of its divisors is an integer number (269468632525).

Almost surely, 2^538937265049 is an apocalyptic number.

It is an amenable number.

538937265049 is a deficient number, since it is larger than the sum of its proper divisors (1).

538937265049 is an equidigital number, since it uses as much as digits as its factorization.

538937265049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 538937265049 in words is "five hundred thirty-eight billion, nine hundred thirty-seven million, two hundred sixty-five thousand, forty-nine".