1095198638973 has 4 divisors (see below), whose sum is σ = 1460264851968. Its totient is φ = 730132425980.

The previous prime is 1095198638929. The next prime is 1095198638977. The reversal of 1095198638973 is 3798368915901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1095198638973 - 2⁸ = 1095198638717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1095198638898 and 1095198638907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095198638977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182533106493 + ... + 182533106498.

It is an arithmetic number, because the mean of its divisors is an integer number (365066212992).

Almost surely, 2^{1095198638973} is an apocalyptic number.

It is an amenable number.

1095198638973 is a deficient number, since it is larger than the sum of its proper divisors (365066212995).

1095198638973 is an equidigital number, since it uses as much as digits as its factorization.

1095198638973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365066212994.

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 1095198638973 in words is "one trillion, ninety-five billion, one hundred ninety-eight million, six hundred thirty-eight thousand, nine hundred seventy-three".