1674375389 has 2 divisors, whose sum is σ = 1674375390. Its totient is φ = 1674375388.

The previous prime is 1674375331. The next prime is 1674375403. The reversal of 1674375389 is 9835734761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188525625 + 485849764 = 34475^2 + 22042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1674375389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1674375389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1674375089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837187694 + 837187695.

It is an arithmetic number, because the mean of its divisors is an integer number (837187695).

Almost surely, 2^1674375389 is an apocalyptic number.

It is an amenable number.

1674375389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674375389 is an equidigital number, since it uses as much as digits as its factorization.

1674375389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 1674375389 is about 40919.1323099598. The cubic root of 1674375389 is about 1187.4562306896.

The spelling of 1674375389 in words is "one billion, six hundred seventy-four million, three hundred seventy-five thousand, three hundred eighty-nine".