1188934348417 has 2 divisors, whose sum is σ = 1188934348418. Its totient is φ = 1188934348416.

The previous prime is 1188934348339. The next prime is 1188934348439. The reversal of 1188934348417 is 7148434398811.

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., 999952000576 + 188982347841 = 999976^2 + 434721^2 .

It is an emirp because it is prime and its reverse (7148434398811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1188934348417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1188934343417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594467174208 + 594467174209.

It is an arithmetic number, because the mean of its divisors is an integer number (594467174209).

Almost surely, 2^{1188934348417} is an apocalyptic number.

It is an amenable number.

1188934348417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188934348417 is an equidigital number, since it uses as much as digits as its factorization.

1188934348417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 61.

It can be divided in two parts, 1188934 and 348417, that added together give a palindrome (1537351).

The spelling of 1188934348417 in words is "one trillion, one hundred eighty-eight billion, nine hundred thirty-four million, three hundred forty-eight thousand, four hundred seventeen".