520962037729 has 27 divisors (see below), whose sum is σ = 612905651667. Its totient is φ = 441519652224.

The previous prime is 520962037727. The next prime is 520962037741. The reversal of 520962037729 is 927730269025.

The square root of 520962037729 is 721777.

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., 233931832225 + 287030205504 = 483665^2 + 535752^2 .

It is not a de Polignac number, because 520962037729 - 2¹ = 520962037727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520962037727) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 490086052 + ... + 490087114.

It is an arithmetic number, because the mean of its divisors is an integer number (22700209321).

Almost surely, 2^520962037729 is an apocalyptic number.

520962037729 is the 721777-th square number.

520962037729 is the 360889-th centered octagonal number.

It is an amenable number.

520962037729 is a deficient number, since it is larger than the sum of its proper divisors (91943613938).

520962037729 is an frugal number, since it uses more digits than its factorization.

520962037729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 520962037729 in words is "five hundred twenty billion, nine hundred sixty-two million, thirty-seven thousand, seven hundred twenty-nine".