6965862144869 has 6 divisors (see below), whose sum is σ = 7399722071154. Its totient is φ = 6556105547840.

The previous prime is 6965862144859. The next prime is 6965862144877. The reversal of 6965862144869 is 9684412685696.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5060979114244 + 1904883030625 = 2249662^2 + 1380175^2 .

It is not a de Polignac number, because 6965862144869 - 2⁴ = 6965862144853 is a prime.

It is a super-2 number, since 2×6965862144869² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6965862144796 and 6965862144805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6965862144859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12051664322 + ... + 12051664899.

It is an arithmetic number, because the mean of its divisors is an integer number (1233287011859).

Almost surely, 2^{6965862144869} is an apocalyptic number.

It is an amenable number.

6965862144869 is a deficient number, since it is larger than the sum of its proper divisors (433859926285).

6965862144869 is a wasteful number, since it uses less digits than its factorization.

6965862144869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24103329255 (or 24103329238 counting only the distinct ones).

The product of its digits is 1074954240, while the sum is 74.

The spelling of 6965862144869 in words is "six trillion, nine hundred sixty-five billion, eight hundred sixty-two million, one hundred forty-four thousand, eight hundred sixty-nine".