1194682474481 has 2 divisors, whose sum is σ = 1194682474482. Its totient is φ = 1194682474480.

The previous prime is 1194682474327. The next prime is 1194682474493. The reversal of 1194682474481 is 1844742864911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913188560881 + 281493913600 = 955609^2 + 530560^2 .

It is an emirp because it is prime and its reverse (1844742864911) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1194682474481 is a prime.

It is a super-2 number, since 2×1194682474481² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1194682474481.

It is not a weakly prime, because it can be changed into another prime (1194622474481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597341237240 + 597341237241.

It is an arithmetic number, because the mean of its divisors is an integer number (597341237241).

Almost surely, 2^{1194682474481} is an apocalyptic number.

It is an amenable number.

1194682474481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194682474481 is an equidigital number, since it uses as much as digits as its factorization.

1194682474481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 59.

The spelling of 1194682474481 in words is "one trillion, one hundred ninety-four billion, six hundred eighty-two million, four hundred seventy-four thousand, four hundred eighty-one".