528257793643 has 2 divisors, whose sum is σ = 528257793644. Its totient is φ = 528257793642.

The previous prime is 528257793601. The next prime is 528257793683. The reversal of 528257793643 is 346397752825.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528257793643 is a prime.

It is a super-2 number, since 2×528257793643² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (528257793683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264128896821 + 264128896822.

It is an arithmetic number, because the mean of its divisors is an integer number (264128896822).

Almost surely, 2^528257793643 is an apocalyptic number.

528257793643 is a deficient number, since it is larger than the sum of its proper divisors (1).

528257793643 is an equidigital number, since it uses as much as digits as its factorization.

528257793643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 61.

The spelling of 528257793643 in words is "five hundred twenty-eight billion, two hundred fifty-seven million, seven hundred ninety-three thousand, six hundred forty-three".