1199808082493 has 16 divisors (see below), whose sum is σ = 1275582130416. Its totient is φ = 1124615761920.

The previous prime is 1199808082483. The next prime is 1199808082513. The reversal of 1199808082493 is 3942808089911.

It can be written as a sum of positive squares in 8 ways, for example, as 459213588409 + 740594494084 = 677653^2 + 860578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1199808082493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199808082483) 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, 9072755 + ... + 9204047.

It is an arithmetic number, because the mean of its divisors is an integer number (79723883151).

Almost surely, 2^{1199808082493} is an apocalyptic number.

It is an amenable number.

1199808082493 is a deficient number, since it is larger than the sum of its proper divisors (75774047923).

1199808082493 is a wasteful number, since it uses less digits than its factorization.

1199808082493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133504.

The product of its (nonzero) digits is 8957952, while the sum is 62.

The spelling of 1199808082493 in words is "one trillion, one hundred ninety-nine billion, eight hundred eight million, eighty-two thousand, four hundred ninety-three".