9369899893789 has 2 divisors, whose sum is σ = 9369899893790. Its totient is φ = 9369899893788.

The previous prime is 9369899893759. The next prime is 9369899893817. The reversal of 9369899893789 is 9873989989639.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4855337331289 + 4514562562500 = 2203483^2 + 2124750^2 .

It is a cyclic number.

It is not a de Polignac number, because 9369899893789 - 2³⁵ = 9335540155421 is a prime.

It is a super-2 number, since 2×9369899893789² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9369899893789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9369899893759) 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, 4684949946894 + 4684949946895.

It is an arithmetic number, because the mean of its divisors is an integer number (4684949946895).

Almost surely, 2^{9369899893789} is an apocalyptic number.

It is an amenable number.

9369899893789 is a deficient number, since it is larger than the sum of its proper divisors (1).

9369899893789 is an equidigital number, since it uses as much as digits as its factorization.

9369899893789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102852965376, while the sum is 97.

The spelling of 9369899893789 in words is "nine trillion, three hundred sixty-nine billion, eight hundred ninety-nine million, eight hundred ninety-three thousand, seven hundred eighty-nine".