528077968493 has 2 divisors, whose sum is σ = 528077968494. Its totient is φ = 528077968492.

The previous prime is 528077968489. The next prime is 528077968559. The reversal of 528077968493 is 394869770825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462212339044 + 65865629449 = 679862^2 + 256643^2 .

It is a cyclic number.

It is not a de Polignac number, because 528077968493 - 2² = 528077968489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (528077968993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264038984246 + 264038984247.

It is an arithmetic number, because the mean of its divisors is an integer number (264038984247).

Almost surely, 2^528077968493 is an apocalyptic number.

It is an amenable number.

528077968493 is a deficient number, since it is larger than the sum of its proper divisors (1).

528077968493 is an equidigital number, since it uses as much as digits as its factorization.

528077968493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 528077968493 in words is "five hundred twenty-eight billion, seventy-seven million, nine hundred sixty-eight thousand, four hundred ninety-three".