1690716289 has 8 divisors (see below), whose sum is σ = 1729099008. Its totient is φ = 1652434080.

The previous prime is 1690716259. The next prime is 1690716299. The reversal of 1690716289 is 9826170961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1690716289 - 2¹¹ = 1690714241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1690716229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9429 + ... + 58909.

It is an arithmetic number, because the mean of its divisors is an integer number (216137376).

Almost surely, 2^1690716289 is an apocalyptic number.

It is an amenable number.

1690716289 is a deficient number, since it is larger than the sum of its proper divisors (38382719).

1690716289 is an equidigital number, since it uses as much as digits as its factorization.

1690716289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1690716289 is about 41118.3206004331. The cubic root of 1690716289 is about 1191.3066853226.

The spelling of 1690716289 in words is "one billion, six hundred ninety million, seven hundred sixteen thousand, two hundred eighty-nine".