1670795669 has 2 divisors, whose sum is σ = 1670795670. Its totient is φ = 1670795668.

The previous prime is 1670795653. The next prime is 1670795699. The reversal of 1670795669 is 9665970761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1660155025 + 10640644 = 40745^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670795669 - 2⁴ = 1670795653 is a prime.

It is a super-2 number, since 2×1670795669² = 5583116335098315122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670795629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835397834 + 835397835.

It is an arithmetic number, because the mean of its divisors is an integer number (835397835).

Almost surely, 2^1670795669 is an apocalyptic number.

It is an amenable number.

1670795669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670795669 is an equidigital number, since it uses as much as digits as its factorization.

1670795669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The square root of 1670795669 is about 40875.3675090512. The cubic root of 1670795669 is about 1186.6093887877.

The spelling of 1670795669 in words is "one billion, six hundred seventy million, seven hundred ninety-five thousand, six hundred sixty-nine".