3381378517 has 6 divisors (see below), whose sum is σ = 3716721974. Its totient is φ = 3073980360.

The previous prime is 3381378503. The next prime is 3381378521. The reversal of 3381378517 is 7158731833.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3380957316 + 421201 = 58146^2 + 649^2 .

It is not a de Polignac number, because 3381378517 - 2⁷ = 3381378389 is a prime.

It is a super-2 number, since 2×3381378517² = 22867441350458238578, which 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 (3381378587) 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, 13972518 + ... + 13972759.

Almost surely, 2^3381378517 is an apocalyptic number.

It is an amenable number.

3381378517 is a deficient number, since it is larger than the sum of its proper divisors (335343457).

3381378517 is a wasteful number, since it uses less digits than its factorization.

3381378517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945299 (or 27945288 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 3381378517 is about 58149.6218130436. The cubic root of 3381378517 is about 1500.9443707992.

The spelling of 3381378517 in words is "three billion, three hundred eighty-one million, three hundred seventy-eight thousand, five hundred seventeen".