11446820673 has 4 divisors (see below), whose sum is σ = 15262427568. Its totient is φ = 7631213780.

The previous prime is 11446820669. The next prime is 11446820677. The reversal of 11446820673 is 37602864411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11446820669) and next prime (11446820677).

It is a cyclic number.

It is not a de Polignac number, because 11446820673 - 2² = 11446820669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11446820677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907803443 + ... + 1907803448.

It is an arithmetic number, because the mean of its divisors is an integer number (3815606892).

Almost surely, 2^11446820673 is an apocalyptic number.

It is an amenable number.

11446820673 is a deficient number, since it is larger than the sum of its proper divisors (3815606895).

11446820673 is an equidigital number, since it uses as much as digits as its factorization.

11446820673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815606894.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 11446820673 in words is "eleven billion, four hundred forty-six million, eight hundred twenty thousand, six hundred seventy-three".