633670782401 has 2 divisors, whose sum is σ = 633670782402. Its totient is φ = 633670782400.

The previous prime is 633670782379. The next prime is 633670782461. The reversal of 633670782401 is 104287076336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457374927025 + 176295855376 = 676295^2 + 419876^2 .

It is a cyclic number.

It is not a de Polignac number, because 633670782401 - 2¹⁰ = 633670781377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (633670782461) 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, 316835391200 + 316835391201.

It is an arithmetic number, because the mean of its divisors is an integer number (316835391201).

Almost surely, 2^633670782401 is an apocalyptic number.

It is an amenable number.

633670782401 is a deficient number, since it is larger than the sum of its proper divisors (1).

633670782401 is an equidigital number, since it uses as much as digits as its factorization.

633670782401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 633670782401 in words is "six hundred thirty-three billion, six hundred seventy million, seven hundred eighty-two thousand, four hundred one".