1173912184849 has 2 divisors, whose sum is σ = 1173912184850. Its totient is φ = 1173912184848.

The previous prime is 1173912184799. The next prime is 1173912184873. The reversal of 1173912184849 is 9484812193711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170276094849 + 3636090000 = 1081793^2 + 60300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1173912184849 - 2¹⁵ = 1173912152081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1173912184793 and 1173912184802.

It is not a weakly prime, because it can be changed into another prime (1173912188849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586956092424 + 586956092425.

It is an arithmetic number, because the mean of its divisors is an integer number (586956092425).

Almost surely, 2^{1173912184849} is an apocalyptic number.

It is an amenable number.

1173912184849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173912184849 is an equidigital number, since it uses as much as digits as its factorization.

1173912184849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 58.

The spelling of 1173912184849 in words is "one trillion, one hundred seventy-three billion, nine hundred twelve million, one hundred eighty-four thousand, eight hundred forty-nine".