7117919281949 has 16 divisors (see below), whose sum is σ = 8492478403200. Its totient is φ = 5836648757184.

The previous prime is 7117919281943. The next prime is 7117919281969. The reversal of 7117919281949 is 9491829197117.

7117919281949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7117919281949 - 2²⁰ = 7117918233373 is a prime.

It is a super-3 number, since 3×7117919281949³ (a number of 40 digits) contains 333 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 (7117919281943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160820267 + ... + 160864520.

It is an arithmetic number, because the mean of its divisors is an integer number (530779900200).

Almost surely, 2^{7117919281949} is an apocalyptic number.

It is an amenable number.

7117919281949 is a deficient number, since it is larger than the sum of its proper divisors (1374559121251).

7117919281949 is a wasteful number, since it uses less digits than its factorization.

7117919281949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321684932.

The product of its digits is 20575296, while the sum is 68.

The spelling of 7117919281949 in words is "seven trillion, one hundred seventeen billion, nine hundred nineteen million, two hundred eighty-one thousand, nine hundred forty-nine".