528326961427 has 2 divisors, whose sum is σ = 528326961428. Its totient is φ = 528326961426.

The previous prime is 528326961389. The next prime is 528326961467. The reversal of 528326961427 is 724169623825.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528326961427 is a prime.

It is not a weakly prime, because it can be changed into another prime (528326961467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264163480713 + 264163480714.

It is an arithmetic number, because the mean of its divisors is an integer number (264163480714).

Almost surely, 2^528326961427 is an apocalyptic number.

528326961427 is a deficient number, since it is larger than the sum of its proper divisors (1).

528326961427 is an equidigital number, since it uses as much as digits as its factorization.

528326961427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8709120, while the sum is 55.

The spelling of 528326961427 in words is "five hundred twenty-eight billion, three hundred twenty-six million, nine hundred sixty-one thousand, four hundred twenty-seven".