1673867011 has 2 divisors, whose sum is σ = 1673867012. Its totient is φ = 1673867010.

The previous prime is 1673867003. The next prime is 1673867029. The reversal of 1673867011 is 1107683761.

It is a weak prime.

It is an emirp because it is prime and its reverse (1107683761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1673867011 - 2³ = 1673867003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673807011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836933505 + 836933506.

It is an arithmetic number, because the mean of its divisors is an integer number (836933506).

Almost surely, 2^1673867011 is an apocalyptic number.

1673867011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673867011 is an equidigital number, since it uses as much as digits as its factorization.

1673867011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1673867011 is about 40912.9198542465. The cubic root of 1673867011 is about 1187.3360390579.

The spelling of 1673867011 in words is "one billion, six hundred seventy-three million, eight hundred sixty-seven thousand, eleven".