528049334381 has 2 divisors, whose sum is σ = 528049334382. Its totient is φ = 528049334380.

The previous prime is 528049334377. The next prime is 528049334411. The reversal of 528049334381 is 183433940825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289480585156 + 238568749225 = 538034^2 + 488435^2 .

It is a cyclic number.

It is not a de Polignac number, because 528049334381 - 2² = 528049334377 is a prime.

It is a super-2 number, since 2×528049334381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528049334341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264024667190 + 264024667191.

It is an arithmetic number, because the mean of its divisors is an integer number (264024667191).

Almost surely, 2^528049334381 is an apocalyptic number.

It is an amenable number.

528049334381 is a deficient number, since it is larger than the sum of its proper divisors (1).

528049334381 is an equidigital number, since it uses as much as digits as its factorization.

528049334381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 528049334381 in words is "five hundred twenty-eight billion, forty-nine million, three hundred thirty-four thousand, three hundred eighty-one".