43676767069 has 4 divisors (see below), whose sum is σ = 47036518396. Its totient is φ = 40317015744.

The previous prime is 43676767061. The next prime is 43676767073. The reversal of 43676767069 is 96076767634.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96076767634 = 2 ⋅48038383817.

It can be written as a sum of positive squares in 2 ways, for example, as 12108361444 + 31568405625 = 110038^2 + 177675^2 .

It is a cyclic number.

It is not a de Polignac number, because 43676767069 - 2³ = 43676767061 is a prime.

It is a super-2 number, since 2×43676767069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43676766998 and 43676767016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43676767061) 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 3 ways as a sum of consecutive naturals, for example, 1679875644 + ... + 1679875669.

It is an arithmetic number, because the mean of its divisors is an integer number (11759129599).

Almost surely, 2^43676767069 is an apocalyptic number.

It is an amenable number.

43676767069 is a deficient number, since it is larger than the sum of its proper divisors (3359751327).

43676767069 is a wasteful number, since it uses less digits than its factorization.

43676767069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359751326.

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 43676767069 in words is "forty-three billion, six hundred seventy-six million, seven hundred sixty-seven thousand, sixty-nine".