10306781633 has 2 divisors, whose sum is σ = 10306781634. Its totient is φ = 10306781632.

The previous prime is 10306781521. The next prime is 10306781707. The reversal of 10306781633 is 33618760301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5222663824 + 5084117809 = 72268^2 + 71303^2 .

It is a cyclic number.

It is not a de Polignac number, because 10306781633 - 2¹⁰ = 10306780609 is a prime.

It is a super-2 number, since 2×10306781633² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10306781333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5153390816 + 5153390817.

It is an arithmetic number, because the mean of its divisors is an integer number (5153390817).

Almost surely, 2^10306781633 is an apocalyptic number.

It is an amenable number.

10306781633 is a deficient number, since it is larger than the sum of its proper divisors (1).

10306781633 is an equidigital number, since it uses as much as digits as its factorization.

10306781633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 10306781633 in words is "ten billion, three hundred six million, seven hundred eighty-one thousand, six hundred thirty-three".