1680469471 has 2 divisors, whose sum is σ = 1680469472. Its totient is φ = 1680469470.

The previous prime is 1680469451. The next prime is 1680469477. The reversal of 1680469471 is 1749640861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1680469471 is a prime.

It is a super-3 number, since 3×1680469471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1680469477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840234735 + 840234736.

It is an arithmetic number, because the mean of its divisors is an integer number (840234736).

Almost surely, 2^1680469471 is an apocalyptic number.

1680469471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680469471 is an equidigital number, since it uses as much as digits as its factorization.

1680469471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1680469471 is about 40993.5296235882. The cubic root of 1680469471 is about 1188.8951143261.

The spelling of 1680469471 in words is "one billion, six hundred eighty million, four hundred sixty-nine thousand, four hundred seventy-one".