63523300069 has 2 divisors, whose sum is σ = 63523300070. Its totient is φ = 63523300068.

The previous prime is 63523300033. The next prime is 63523300091. The reversal of 63523300069 is 96000332536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63307592100 + 215707969 = 251610^2 + 14687^2 .

It is a cyclic number.

It is not a de Polignac number, because 63523300069 - 2²³ = 63514911461 is a prime.

It is a super-2 number, since 2×63523300069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63523303069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31761650034 + 31761650035.

It is an arithmetic number, because the mean of its divisors is an integer number (31761650035).

Almost surely, 2^63523300069 is an apocalyptic number.

It is an amenable number.

63523300069 is a deficient number, since it is larger than the sum of its proper divisors (1).

63523300069 is an equidigital number, since it uses as much as digits as its factorization.

63523300069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 37.

The spelling of 63523300069 in words is "sixty-three billion, five hundred twenty-three million, three hundred thousand, sixty-nine".