11984769973 has 64 divisors (see below), whose sum is σ = 15138938880. Its totient is φ = 9340876800.

The previous prime is 11984769961. The next prime is 11984769997. The reversal of 11984769973 is 37996748911.

11984769973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11984769973 is a prime.

It is a super-2 number, since 2×11984769973² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11984769473) 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 63 ways as a sum of consecutive naturals, for example, 25663086 + ... + 25663552.

It is an arithmetic number, because the mean of its divisors is an integer number (236545920).

Almost surely, 2^11984769973 is an apocalyptic number.

It is an amenable number.

11984769973 is a deficient number, since it is larger than the sum of its proper divisors (3154168907).

11984769973 is a wasteful number, since it uses less digits than its factorization.

11984769973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its digits is 20575296, while the sum is 64.

The spelling of 11984769973 in words is "eleven billion, nine hundred eighty-four million, seven hundred sixty-nine thousand, nine hundred seventy-three".