3117794549 has 6 divisors (see below), whose sum is σ = 3165027894. Its totient is φ = 3071255880.

The previous prime is 3117794539. The next prime is 3117794579. The reversal of 3117794549 is 9454977113.

It can be written as a sum of positive squares in only one way, i.e., 2552068324 + 565726225 = 50518^2 + 23785^2 .

It is not a de Polignac number, because 3117794549 - 2⁸ = 3117794293 is a prime.

It is a super-2 number, since 2×3117794549² = 19441285699548226802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3117794497 and 3117794506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117794539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342782 + ... + 351759.

It is an arithmetic number, because the mean of its divisors is an integer number (527504649).

Almost surely, 2^3117794549 is an apocalyptic number.

It is an amenable number.

3117794549 is a deficient number, since it is larger than the sum of its proper divisors (47233345).

3117794549 is an frugal number, since it uses more digits than its factorization.

3117794549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694675 (or 694608 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 3117794549 is about 55837.2147317539. The cubic root of 3117794549 is about 1460.8843314824.

The spelling of 3117794549 in words is "three billion, one hundred seventeen million, seven hundred ninety-four thousand, five hundred forty-nine".