1874141189 has 2 divisors, whose sum is σ = 1874141190. Its totient is φ = 1874141188.

The previous prime is 1874141173. The next prime is 1874141207. The reversal of 1874141189 is 9811414781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1294776289 + 579364900 = 35983^2 + 24070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1874141189 - 2⁴ = 1874141173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1874141389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937070594 + 937070595.

It is an arithmetic number, because the mean of its divisors is an integer number (937070595).

Almost surely, 2^1874141189 is an apocalyptic number.

It is an amenable number.

1874141189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1874141189 is an equidigital number, since it uses as much as digits as its factorization.

1874141189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 44.

The square root of 1874141189 is about 43291.3523581789. The cubic root of 1874141189 is about 1232.9177408530.

The spelling of 1874141189 in words is "one billion, eight hundred seventy-four million, one hundred forty-one thousand, one hundred eighty-nine".