8261063942069 has 8 divisors (see below), whose sum is σ = 8348447452800. Its totient is φ = 8174139138000.

The previous prime is 8261063942057. The next prime is 8261063942093. The reversal of 8261063942069 is 9602493601628.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8261063942069 - 2⁸ = 8261063941813 is a prime.

It is a super-3 number, since 3×8261063942069³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8261063942869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114640457 + ... + 114712494.

It is an arithmetic number, because the mean of its divisors is an integer number (1043555931600).

Almost surely, 2^{8261063942069} is an apocalyptic number.

It is an amenable number.

8261063942069 is a deficient number, since it is larger than the sum of its proper divisors (87383510731).

8261063942069 is a wasteful number, since it uses less digits than its factorization.

8261063942069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229353331.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 8261063942069 in words is "eight trillion, two hundred sixty-one billion, sixty-three million, nine hundred forty-two thousand, sixty-nine".