633247742329 has 2 divisors, whose sum is σ = 633247742330. Its totient is φ = 633247742328.

The previous prime is 633247742287. The next prime is 633247742357. The reversal of 633247742329 is 923247742336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324165116025 + 309082626304 = 569355^2 + 555952^2 .

It is a cyclic number.

It is not a de Polignac number, because 633247742329 - 2⁷ = 633247742201 is a prime.

It is a super-4 number, since 4×633247742329⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (633247742359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316623871164 + 316623871165.

It is an arithmetic number, because the mean of its divisors is an integer number (316623871165).

Almost surely, 2^633247742329 is an apocalyptic number.

It is an amenable number.

633247742329 is a deficient number, since it is larger than the sum of its proper divisors (1).

633247742329 is an equidigital number, since it uses as much as digits as its factorization.

633247742329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 52.

The spelling of 633247742329 in words is "six hundred thirty-three billion, two hundred forty-seven million, seven hundred forty-two thousand, three hundred twenty-nine".