673603940099 has 2 divisors, whose sum is σ = 673603940100. Its totient is φ = 673603940098.

The previous prime is 673603940081. The next prime is 673603940161. The reversal of 673603940099 is 990049306376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673603940099 - 2²⁴ = 673587162883 is a prime.

It is not a weakly prime, because it can be changed into another prime (673603940299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336801970049 + 336801970050.

It is an arithmetic number, because the mean of its divisors is an integer number (336801970050).

Almost surely, 2^673603940099 is an apocalyptic number.

673603940099 is a deficient number, since it is larger than the sum of its proper divisors (1).

673603940099 is an equidigital number, since it uses as much as digits as its factorization.

673603940099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 56.

The spelling of 673603940099 in words is "six hundred seventy-three billion, six hundred three million, nine hundred forty thousand, ninety-nine".