1190928613409 has 2 divisors, whose sum is σ = 1190928613410. Its totient is φ = 1190928613408.

The previous prime is 1190928613373. The next prime is 1190928613421. The reversal of 1190928613409 is 9043168290911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1068535690000 + 122392923409 = 1033700^2 + 349847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1190928613409 - 2⁸ = 1190928613153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1190928610409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595464306704 + 595464306705.

It is an arithmetic number, because the mean of its divisors is an integer number (595464306705).

Almost surely, 2^{1190928613409} is an apocalyptic number.

It is an amenable number.

1190928613409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190928613409 is an equidigital number, since it uses as much as digits as its factorization.

1190928613409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 1190928613409 in words is "one trillion, one hundred ninety billion, nine hundred twenty-eight million, six hundred thirteen thousand, four hundred nine".