663650141501 has 2 divisors, whose sum is σ = 663650141502. Its totient is φ = 663650141500.

The previous prime is 663650141467. The next prime is 663650141509. The reversal of 663650141501 is 105141056366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659829665401 + 3820476100 = 812299^2 + 61810^2 .

It is a cyclic number.

It is not a de Polignac number, because 663650141501 - 2³⁰ = 662576399677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663650141509) 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, 331825070750 + 331825070751.

It is an arithmetic number, because the mean of its divisors is an integer number (331825070751).

Almost surely, 2^663650141501 is an apocalyptic number.

It is an amenable number.

663650141501 is a deficient number, since it is larger than the sum of its proper divisors (1).

663650141501 is an equidigital number, since it uses as much as digits as its factorization.

663650141501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 663650141501 its reverse (105141056366), we get a palindrome (768791197867).

The spelling of 663650141501 in words is "six hundred sixty-three billion, six hundred fifty million, one hundred forty-one thousand, five hundred one".