673303371899 has 2 divisors, whose sum is σ = 673303371900. Its totient is φ = 673303371898.

The previous prime is 673303371877. The next prime is 673303371931. The reversal of 673303371899 is 998173303376.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673303371899 is a prime.

It is a super-2 number, since 2×673303371899² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (673303371859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336651685949 + 336651685950.

It is an arithmetic number, because the mean of its divisors is an integer number (336651685950).

Almost surely, 2^673303371899 is an apocalyptic number.

673303371899 is a deficient number, since it is larger than the sum of its proper divisors (1).

673303371899 is an equidigital number, since it uses as much as digits as its factorization.

673303371899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15431472, while the sum is 59.

The spelling of 673303371899 in words is "six hundred seventy-three billion, three hundred three million, three hundred seventy-one thousand, eight hundred ninety-nine".