623636364601 has 2 divisors, whose sum is σ = 623636364602. Its totient is φ = 623636364600.

The previous prime is 623636364577. The next prime is 623636364649. The reversal of 623636364601 is 106463636326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546341244201 + 77295120400 = 739149^2 + 278020^2 .

It is a cyclic number.

It is not a de Polignac number, because 623636364601 - 2⁵ = 623636364569 is a prime.

It is a super-3 number, since 3×623636364601³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (623636364401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311818182300 + 311818182301.

It is an arithmetic number, because the mean of its divisors is an integer number (311818182301).

Almost surely, 2^623636364601 is an apocalyptic number.

It is an amenable number.

623636364601 is a deficient number, since it is larger than the sum of its proper divisors (1).

623636364601 is an equidigital number, since it uses as much as digits as its factorization.

623636364601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 623636364601 in words is "six hundred twenty-three billion, six hundred thirty-six million, three hundred sixty-four thousand, six hundred one".