8069138233646 has 16 divisors (see below), whose sum is σ = 13938402360960. Its totient is φ = 3431803610040.

The previous prime is 8069138233633. The next prime is 8069138233649. The reversal of 8069138233646 is 6463328319608.

It is a happy number.

It is a super-2 number, since 2×8069138233646² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069138233649) 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, 2199872276 + ... + 2199875943.

It is an arithmetic number, because the mean of its divisors is an integer number (871150147560).

Almost surely, 2^{8069138233646} is an apocalyptic number.

8069138233646 is a deficient number, since it is larger than the sum of its proper divisors (5869264127314).

8069138233646 is a wasteful number, since it uses less digits than its factorization.

8069138233646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399748359.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 8069138233646 in words is "eight trillion, sixty-nine billion, one hundred thirty-eight million, two hundred thirty-three thousand, six hundred forty-six".