50526669989 has 2 divisors, whose sum is σ = 50526669990. Its totient is φ = 50526669988.

The previous prime is 50526669971. The next prime is 50526670031. The reversal of 50526669989 is 98996662505.

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., 29440725889 + 21085944100 = 171583^2 + 145210^2 .

It is a cyclic number.

It is not a de Polignac number, because 50526669989 - 2²⁰ = 50525621413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50526669929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263334994 + 25263334995.

It is an arithmetic number, because the mean of its divisors is an integer number (25263334995).

Almost surely, 2^50526669989 is an apocalyptic number.

It is an amenable number.

50526669989 is a deficient number, since it is larger than the sum of its proper divisors (1).

50526669989 is an equidigital number, since it uses as much as digits as its factorization.

50526669989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62985600, while the sum is 65.

The spelling of 50526669989 in words is "fifty billion, five hundred twenty-six million, six hundred sixty-nine thousand, nine hundred eighty-nine".