6965868965869 has 4 divisors (see below), whose sum is σ = 7599129780960. Its totient is φ = 6332608150780.

The previous prime is 6965868965837. The next prime is 6965868965873. The reversal of 6965868965869 is 9685698685696.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6965868965869 - 2⁵ = 6965868965837 is a prime.

It is a super-2 number, since 2×6965868965869² (a number of 26 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 (6965868965879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316630407529 + ... + 316630407550.

It is an arithmetic number, because the mean of its divisors is an integer number (1899782445240).

Almost surely, 2^{6965868965869} is an apocalyptic number.

It is an amenable number.

6965868965869 is a deficient number, since it is larger than the sum of its proper divisors (633260815091).

6965868965869 is a wasteful number, since it uses less digits than its factorization.

6965868965869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633260815090.

The product of its digits is 72559411200, while the sum is 91.

The spelling of 6965868965869 in words is "six trillion, nine hundred sixty-five billion, eight hundred sixty-eight million, nine hundred sixty-five thousand, eight hundred sixty-nine".