528950266369 has 24 divisors (see below), whose sum is σ = 621062049024. Its totient is φ = 441297235200.

The previous prime is 528950266297. The next prime is 528950266381. The reversal of 528950266369 is 963662059825.

It is not a de Polignac number, because 528950266369 - 2²⁹ = 528413395457 is a prime.

It is a super-2 number, since 2×528950266369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528950266399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5019429 + ... + 5123725.

It is an arithmetic number, because the mean of its divisors is an integer number (25877585376).

Almost surely, 2^528950266369 is an apocalyptic number.

It is an amenable number.

528950266369 is a deficient number, since it is larger than the sum of its proper divisors (92111782655).

528950266369 is a wasteful number, since it uses less digits than its factorization.

528950266369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104817 (or 104776 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 61.

The spelling of 528950266369 in words is "five hundred twenty-eight billion, nine hundred fifty million, two hundred sixty-six thousand, three hundred sixty-nine".