6965613657 has 16 divisors (see below), whose sum is σ = 10368343360. Its totient is φ = 4621730400.

The previous prime is 6965613637. The next prime is 6965613667. The reversal of 6965613657 is 7563165696.

6965613657 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 6965613657 - 2¹⁴ = 6965597273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6965613637) 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 15 ways as a sum of consecutive naturals, for example, 605644 + ... + 617037.

It is an arithmetic number, because the mean of its divisors is an integer number (648021460).

Almost surely, 2^6965613657 is an apocalyptic number.

It is an amenable number.

6965613657 is a deficient number, since it is larger than the sum of its proper divisors (3402729703).

6965613657 is a wasteful number, since it uses less digits than its factorization.

6965613657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222901 (or 1222895 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 6965613657 is about 83460.2519586420. The cubic root of 6965613657 is about 1909.7937203101.

The spelling of 6965613657 in words is "six billion, nine hundred sixty-five million, six hundred thirteen thousand, six hundred fifty-seven".