1676671669 has 2 divisors, whose sum is σ = 1676671670. Its totient is φ = 1676671668.

The previous prime is 1676671543. The next prime is 1676671691. The reversal of 1676671669 is 9661766761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1608411025 + 68260644 = 40105^2 + 8262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1676671669 - 2⁷ = 1676671541 is a prime.

It is a super-2 number, since 2×1676671669² = 5622455771254491122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1676671069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838335834 + 838335835.

It is an arithmetic number, because the mean of its divisors is an integer number (838335835).

Almost surely, 2^1676671669 is an apocalyptic number.

It is an amenable number.

1676671669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1676671669 is an equidigital number, since it uses as much as digits as its factorization.

1676671669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The square root of 1676671669 is about 40947.1814536727. The cubic root of 1676671669 is about 1187.9988183828.

The spelling of 1676671669 in words is "one billion, six hundred seventy-six million, six hundred seventy-one thousand, six hundred sixty-nine".