11736421473 has 8 divisors (see below), whose sum is σ = 17884070848. Its totient is φ = 6706526544.

The previous prime is 11736421469. The next prime is 11736421511. The reversal of 11736421473 is 37412463711.

11736421473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11736421473 - 2² = 11736421469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11736421453) 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 in 7 ways as a sum of consecutive naturals, for example, 279438586 + ... + 279438627.

It is an arithmetic number, because the mean of its divisors is an integer number (2235508856).

Almost surely, 2^11736421473 is an apocalyptic number.

It is an amenable number.

11736421473 is a deficient number, since it is larger than the sum of its proper divisors (6147649375).

11736421473 is an equidigital number, since it uses as much as digits as its factorization.

11736421473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558877223.

The product of its digits is 84672, while the sum is 39.

The spelling of 11736421473 in words is "eleven billion, seven hundred thirty-six million, four hundred twenty-one thousand, four hundred seventy-three".