667462431683 has 2 divisors, whose sum is σ = 667462431684. Its totient is φ = 667462431682.

The previous prime is 667462431637. The next prime is 667462431737. The reversal of 667462431683 is 386134264766.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-667462431683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (667462451683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333731215841 + 333731215842.

It is an arithmetic number, because the mean of its divisors is an integer number (333731215842).

Almost surely, 2^667462431683 is an apocalyptic number.

667462431683 is a deficient number, since it is larger than the sum of its proper divisors (1).

667462431683 is an equidigital number, since it uses as much as digits as its factorization.

667462431683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 56.

The spelling of 667462431683 in words is "six hundred sixty-seven billion, four hundred sixty-two million, four hundred thirty-one thousand, six hundred eighty-three".