69676633666 has 4 divisors (see below), whose sum is σ = 104514950502. Its totient is φ = 34838316832.

The previous prime is 69676633603. The next prime is 69676633669. The reversal of 69676633666 is 66633667696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59355089641 + 10321544025 = 243629^2 + 101595^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69676633598 and 69676633607.

It is not an unprimeable number, because it can be changed into a prime (69676633669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17419158415 + ... + 17419158418.

Almost surely, 2^69676633666 is an apocalyptic number.

69676633666 is a deficient number, since it is larger than the sum of its proper divisors (34838316836).

69676633666 is a wasteful number, since it uses less digits than its factorization.

69676633666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34838316835.

The product of its digits is 158723712, while the sum is 64.

The spelling of 69676633666 in words is "sixty-nine billion, six hundred seventy-six million, six hundred thirty-three thousand, six hundred sixty-six".