1674990143 has 2 divisors, whose sum is σ = 1674990144. Its totient is φ = 1674990142.

The previous prime is 1674990133. The next prime is 1674990169. The reversal of 1674990143 is 3410994761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1674990143 - 2¹⁰ = 1674989119 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1674990094 and 1674990103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1674990113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837495071 + 837495072.

It is an arithmetic number, because the mean of its divisors is an integer number (837495072).

Almost surely, 2^1674990143 is an apocalyptic number.

1674990143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1674990143 is an equidigital number, since it uses as much as digits as its factorization.

1674990143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1674990143 is about 40926.6434367638. The cubic root of 1674990143 is about 1187.6015394319.

The spelling of 1674990143 in words is "one billion, six hundred seventy-four million, nine hundred ninety thousand, one hundred forty-three".