6880734656469 has 6 divisors (see below), whose sum is σ = 9938838948246. Its totient is φ = 4587156437640.

The previous prime is 6880734656447. The next prime is 6880734656479. The reversal of 6880734656469 is 9646564370886.

6880734656469 is a `hidden beast` number, since 6 + 8 + 8 + 0 + 73 + 46 + 56 + 469 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6214001984100 + 666732672369 = 2492790^2 + 816537^2 .

It is not a de Polignac number, because 6880734656469 - 2¹⁵ = 6880734623701 is a prime.

It is a super-2 number, since 2×6880734656469² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6880734656397 and 6880734656406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880734656479) 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, 382263036462 + ... + 382263036479.

It is an arithmetic number, because the mean of its divisors is an integer number (1656473158041).

Almost surely, 2^{6880734656469} is an apocalyptic number.

It is an amenable number.

6880734656469 is a deficient number, since it is larger than the sum of its proper divisors (3058104291777).

6880734656469 is a wasteful number, since it uses less digits than its factorization.

6880734656469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764526072947 (or 764526072944 counting only the distinct ones).

The product of its (nonzero) digits is 1254113280, while the sum is 72.

The spelling of 6880734656469 in words is "six trillion, eight hundred eighty billion, seven hundred thirty-four million, six hundred fifty-six thousand, four hundred sixty-nine".