1790099189 has 2 divisors, whose sum is σ = 1790099190. Its totient is φ = 1790099188.

The previous prime is 1790099173. The next prime is 1790099191. The reversal of 1790099189 is 9819900971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1460386225 + 329712964 = 38215^2 + 18158^2 .

It is an emirp because it is prime and its reverse (9819900971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1790099189 - 2⁴ = 1790099173 is a prime.

Together with 1790099191, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1790099189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1790099489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895049594 + 895049595.

It is an arithmetic number, because the mean of its divisors is an integer number (895049595).

Almost surely, 2^1790099189 is an apocalyptic number.

It is an amenable number.

1790099189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790099189 is an equidigital number, since it uses as much as digits as its factorization.

1790099189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 53.

The square root of 1790099189 is about 42309.5638006350. The cubic root of 1790099189 is about 1214.2059738884.

The spelling of 1790099189 in words is "one billion, seven hundred ninety million, ninety-nine thousand, one hundred eighty-nine".