1682942687 has 2 divisors, whose sum is σ = 1682942688. Its totient is φ = 1682942686.

The previous prime is 1682942671. The next prime is 1682942711. The reversal of 1682942687 is 7862492861.

It is a weak prime.

It is an emirp because it is prime and its reverse (7862492861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1682942687 - 2⁴ = 1682942671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1682942617) 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, 841471343 + 841471344.

It is an arithmetic number, because the mean of its divisors is an integer number (841471344).

Almost surely, 2^1682942687 is an apocalyptic number.

1682942687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682942687 is an equidigital number, since it uses as much as digits as its factorization.

1682942687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 53.

The square root of 1682942687 is about 41023.6844639776. The cubic root of 1682942687 is about 1189.4780770335.

The spelling of 1682942687 in words is "one billion, six hundred eighty-two million, nine hundred forty-two thousand, six hundred eighty-seven".