521150000489 has 2 divisors, whose sum is σ = 521150000490. Its totient is φ = 521150000488.

The previous prime is 521150000363. The next prime is 521150000531. The reversal of 521150000489 is 984000051125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519098635225 + 2051365264 = 720485^2 + 45292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-521150000489 is a prime.

It is a super-5 number, since 5×521150000489⁵ (a number of 60 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (521150000089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260575000244 + 260575000245.

It is an arithmetic number, because the mean of its divisors is an integer number (260575000245).

Almost surely, 2^521150000489 is an apocalyptic number.

It is an amenable number.

521150000489 is a deficient number, since it is larger than the sum of its proper divisors (1).

521150000489 is an equidigital number, since it uses as much as digits as its factorization.

521150000489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 521150000489 in words is "five hundred twenty-one billion, one hundred fifty million, four hundred eighty-nine", and thus it is an aban number.