520272868733 has 2 divisors, whose sum is σ = 520272868734. Its totient is φ = 520272868732.

The previous prime is 520272868669. The next prime is 520272868741. The reversal of 520272868733 is 337868272025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449412025924 + 70860842809 = 670382^2 + 266197^2 .

It is a cyclic number.

It is not a de Polignac number, because 520272868733 - 2⁶ = 520272868669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520272867733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260136434366 + 260136434367.

It is an arithmetic number, because the mean of its divisors is an integer number (260136434367).

Almost surely, 2^520272868733 is an apocalyptic number.

It is an amenable number.

520272868733 is a deficient number, since it is larger than the sum of its proper divisors (1).

520272868733 is an equidigital number, since it uses as much as digits as its factorization.

520272868733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 520272868733 in words is "five hundred twenty billion, two hundred seventy-two million, eight hundred sixty-eight thousand, seven hundred thirty-three".