200528049691 has 2 divisors, whose sum is σ = 200528049692. Its totient is φ = 200528049690.

The previous prime is 200528049661. The next prime is 200528049719. The reversal of 200528049691 is 196940825002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200528049691 - 2⁹ = 200528049179 is a prime.

It is a super-2 number, since 2×200528049691² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200528049611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100264024845 + 100264024846.

It is an arithmetic number, because the mean of its divisors is an integer number (100264024846).

Almost surely, 2^200528049691 is an apocalyptic number.

200528049691 is a deficient number, since it is larger than the sum of its proper divisors (1).

200528049691 is an equidigital number, since it uses as much as digits as its factorization.

200528049691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 200528049691 in words is "two hundred billion, five hundred twenty-eight million, forty-nine thousand, six hundred ninety-one".