1170404993 has 2 divisors, whose sum is σ = 1170404994. Its totient is φ = 1170404992.

The previous prime is 1170404981. The next prime is 1170405011. The reversal of 1170404993 is 3994040711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866007184 + 304397809 = 29428^2 + 17447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1170404993 - 2²⁰ = 1169356417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170404903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585202496 + 585202497.

It is an arithmetic number, because the mean of its divisors is an integer number (585202497).

Almost surely, 2^1170404993 is an apocalyptic number.

It is an amenable number.

1170404993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170404993 is an equidigital number, since it uses as much as digits as its factorization.

1170404993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1170404993 is about 34211.1822800674. The cubic root of 1170404993 is about 1053.8498109305.

The spelling of 1170404993 in words is "one billion, one hundred seventy million, four hundred four thousand, nine hundred ninety-three".