1674430243 has 2 divisors, whose sum is σ = 1674430244. Its totient is φ = 1674430242.

The previous prime is 1674430237. The next prime is 1674430313. The reversal of 1674430243 is 3420344761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1674430243 - 2⁵ = 1674430211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1674430199 and 1674430208.

It is not a weakly prime, because it can be changed into another prime (1674430213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837215121 + 837215122.

It is an arithmetic number, because the mean of its divisors is an integer number (837215122).

Almost surely, 2^1674430243 is an apocalyptic number.

1674430243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674430243 is an equidigital number, since it uses as much as digits as its factorization.

1674430243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 1674430243 is about 40919.8025777251. The cubic root of 1674430243 is about 1187.4691979157.

The spelling of 1674430243 in words is "one billion, six hundred seventy-four million, four hundred thirty thousand, two hundred forty-three".