528634377643 has 2 divisors, whose sum is σ = 528634377644. Its totient is φ = 528634377642.

The previous prime is 528634377613. The next prime is 528634377653. The reversal of 528634377643 is 346773436825.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 528634377643 - 2⁵ = 528634377611 is a prime.

It is not a weakly prime, because it can be changed into another prime (528634377613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264317188821 + 264317188822.

It is an arithmetic number, because the mean of its divisors is an integer number (264317188822).

Almost surely, 2^528634377643 is an apocalyptic number.

528634377643 is a deficient number, since it is larger than the sum of its proper divisors (1).

528634377643 is an equidigital number, since it uses as much as digits as its factorization.

528634377643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 58.

The spelling of 528634377643 in words is "five hundred twenty-eight billion, six hundred thirty-four million, three hundred seventy-seven thousand, six hundred forty-three".