673707040667 has 2 divisors, whose sum is σ = 673707040668. Its totient is φ = 673707040666.

The previous prime is 673707040661. The next prime is 673707040703. The reversal of 673707040667 is 766040707376.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673707040667 - 2¹⁴ = 673707024283 is a prime.

It is not a weakly prime, because it can be changed into another prime (673707040661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336853520333 + 336853520334.

It is an arithmetic number, because the mean of its divisors is an integer number (336853520334).

Almost surely, 2^673707040667 is an apocalyptic number.

673707040667 is a deficient number, since it is larger than the sum of its proper divisors (1).

673707040667 is an equidigital number, since it uses as much as digits as its factorization.

673707040667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6223392, while the sum is 53.

The spelling of 673707040667 in words is "six hundred seventy-three billion, seven hundred seven million, forty thousand, six hundred sixty-seven".