1004660761189 has 2 divisors, whose sum is σ = 1004660761190. Its totient is φ = 1004660761188.

The previous prime is 1004660761187. The next prime is 1004660761217. The reversal of 1004660761189 is 9811670664001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893677169025 + 110983592164 = 945345^2 + 333142^2 .

It is an emirp because it is prime and its reverse (9811670664001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004660761189 - 2¹ = 1004660761187 is a prime.

Together with 1004660761187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004660761187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502330380594 + 502330380595.

It is an arithmetic number, because the mean of its divisors is an integer number (502330380595).

Almost surely, 2^{1004660761189} is an apocalyptic number.

It is an amenable number.

1004660761189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004660761189 is an equidigital number, since it uses as much as digits as its factorization.

1004660761189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 1004660761189 in words is "one trillion, four billion, six hundred sixty million, seven hundred sixty-one thousand, one hundred eighty-nine".