1198959630173 has 16 divisors (see below), whose sum is σ = 1306207464624. Its totient is φ = 1095904650240.

The previous prime is 1198959630163. The next prime is 1198959630181. The reversal of 1198959630173 is 3710369598911.

It can be written as a sum of positive squares in 8 ways, for example, as 11779412089 + 1187180218084 = 108533^2 + 1089578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1198959630173 - 2²⁸ = 1198691194717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198959630103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421390 + ... + 2101967.

It is an arithmetic number, because the mean of its divisors is an integer number (81637966539).

Almost surely, 2^{1198959630173} is an apocalyptic number.

It is an amenable number.

1198959630173 is a deficient number, since it is larger than the sum of its proper divisors (107247834451).

1198959630173 is a wasteful number, since it uses less digits than its factorization.

1198959630173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523952.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 1198959630173 in words is "one trillion, one hundred ninety-eight billion, nine hundred fifty-nine million, six hundred thirty thousand, one hundred seventy-three".