11953333673 has 2 divisors, whose sum is σ = 11953333674. Its totient is φ = 11953333672.

The previous prime is 11953333669. The next prime is 11953333687. The reversal of 11953333673 is 37633335911.

11953333673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7030487104 + 4922846569 = 83848^2 + 70163^2 .

It is an emirp because it is prime and its reverse (37633335911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11953333673 - 2² = 11953333669 is a prime.

It is not a weakly prime, because it can be changed into another prime (11953303673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5976666836 + 5976666837.

It is an arithmetic number, because the mean of its divisors is an integer number (5976666837).

Almost surely, 2^11953333673 is an apocalyptic number.

It is an amenable number.

11953333673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11953333673 is an equidigital number, since it uses as much as digits as its factorization.

11953333673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 44.

The spelling of 11953333673 in words is "eleven billion, nine hundred fifty-three million, three hundred thirty-three thousand, six hundred seventy-three".