1095198638929 has 2 divisors, whose sum is σ = 1095198638930. Its totient is φ = 1095198638928.

The previous prime is 1095198638873. The next prime is 1095198638977. The reversal of 1095198638929 is 9298368915901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714599715600 + 380598923329 = 845340^2 + 616927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1095198638929 - 2²³ = 1095190250321 is a prime.

It is a super-2 number, since 2×1095198638929² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1095198638029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547599319464 + 547599319465.

It is an arithmetic number, because the mean of its divisors is an integer number (547599319465).

Almost surely, 2^{1095198638929} is an apocalyptic number.

It is an amenable number.

1095198638929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095198638929 is an equidigital number, since it uses as much as digits as its factorization.

1095198638929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75582720, while the sum is 70.

The spelling of 1095198638929 in words is "one trillion, ninety-five billion, one hundred ninety-eight million, six hundred thirty-eight thousand, nine hundred twenty-nine".