1183999654349 has 2 divisors, whose sum is σ = 1183999654350. Its totient is φ = 1183999654348.

The previous prime is 1183999654289. The next prime is 1183999654361. The reversal of 1183999654349 is 9434569993811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 709836580324 + 474163074025 = 842518^2 + 688595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1183999654349 is a prime.

It is a super-2 number, since 2×1183999654349² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1183999654249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591999827174 + 591999827175.

It is an arithmetic number, because the mean of its divisors is an integer number (591999827175).

Almost surely, 2^{1183999654349} is an apocalyptic number.

It is an amenable number.

1183999654349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183999654349 is an equidigital number, since it uses as much as digits as its factorization.

1183999654349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226748160, while the sum is 71.

The spelling of 1183999654349 in words is "one trillion, one hundred eighty-three billion, nine hundred ninety-nine million, six hundred fifty-four thousand, three hundred forty-nine".