9556969693 has 2 divisors, whose sum is σ = 9556969694. Its totient is φ = 9556969692.

The previous prime is 9556969673. The next prime is 9556969703. The reversal of 9556969693 is 3969696559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7596516964 + 1960452729 = 87158^2 + 44277^2 .

It is an emirp because it is prime and its reverse (3969696559) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9556969693 - 2²¹ = 9554872541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9556969673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4778484846 + 4778484847.

It is an arithmetic number, because the mean of its divisors is an integer number (4778484847).

Almost surely, 2^9556969693 is an apocalyptic number.

It is an amenable number.

9556969693 is a deficient number, since it is larger than the sum of its proper divisors (1).

9556969693 is an equidigital number, since it uses as much as digits as its factorization.

9556969693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106288200, while the sum is 67.

The square root of 9556969693 is about 97759.7549761659. The cubic root of 9556969693 is about 2122.1369289577.

The spelling of 9556969693 in words is "nine billion, five hundred fifty-six million, nine hundred sixty-nine thousand, six hundred ninety-three".