1690466339 has 2 divisors, whose sum is σ = 1690466340. Its totient is φ = 1690466338.

The previous prime is 1690466311. The next prime is 1690466369. The reversal of 1690466339 is 9336640961.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1690466339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1690466293 and 1690466302.

It is not a weakly prime, because it can be changed into another prime (1690466369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845233169 + 845233170.

It is an arithmetic number, because the mean of its divisors is an integer number (845233170).

Almost surely, 2^1690466339 is an apocalyptic number.

1690466339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1690466339 is an equidigital number, since it uses as much as digits as its factorization.

1690466339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 1690466339 is about 41115.2810886658. The cubic root of 1690466339 is about 1191.2479761269.

The spelling of 1690466339 in words is "one billion, six hundred ninety million, four hundred sixty-six thousand, three hundred thirty-nine".