9956057693 has 2 divisors, whose sum is σ = 9956057694. Its totient is φ = 9956057692.

The previous prime is 9956057677. The next prime is 9956057731. The reversal of 9956057693 is 3967506599.

9956057693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9944477284 + 11580409 = 99722^2 + 3403^2 .

It is a cyclic number.

It is not a de Polignac number, because 9956057693 - 2⁴ = 9956057677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9956057603) 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, 4978028846 + 4978028847.

It is an arithmetic number, because the mean of its divisors is an integer number (4978028847).

Almost surely, 2^9956057693 is an apocalyptic number.

It is an amenable number.

9956057693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9956057693 is an equidigital number, since it uses as much as digits as its factorization.

9956057693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13778100, while the sum is 59.

The square root of 9956057693 is about 99780.0465674375. The cubic root of 9956057693 is about 2151.2743620796.

The spelling of 9956057693 in words is "nine billion, nine hundred fifty-six million, fifty-seven thousand, six hundred ninety-three".