520976332729 has 2 divisors, whose sum is σ = 520976332730. Its totient is φ = 520976332728.

The previous prime is 520976332699. The next prime is 520976332819. The reversal of 520976332729 is 927233679025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491012722729 + 29963610000 = 700723^2 + 173100^2 .

It is a cyclic number.

It is not a de Polignac number, because 520976332729 - 2⁵ = 520976332697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520976332729.

It is not a weakly prime, because it can be changed into another prime (520976336729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260488166364 + 260488166365.

It is an arithmetic number, because the mean of its divisors is an integer number (260488166365).

Almost surely, 2^520976332729 is an apocalyptic number.

It is an amenable number.

520976332729 is a deficient number, since it is larger than the sum of its proper divisors (1).

520976332729 is an equidigital number, since it uses as much as digits as its factorization.

520976332729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 520976332729 in words is "five hundred twenty billion, nine hundred seventy-six million, three hundred thirty-two thousand, seven hundred twenty-nine".