64696069646 has 8 divisors (see below), whose sum is σ = 104509035624. Its totient is φ = 29859724440.

The previous prime is 64696069621. The next prime is 64696069649.

64696069646 is nontrivially palindromic in base 10.

64696069646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64696069649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244155160 + ... + 1244155211.

It is an arithmetic number, because the mean of its divisors is an integer number (13063629453).

Almost surely, 2^64696069646 is an apocalyptic number.

64696069646 is a deficient number, since it is larger than the sum of its proper divisors (39812965978).

64696069646 is a wasteful number, since it uses less digits than its factorization.

64696069646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488310386.

The product of its (nonzero) digits is 60466176, while the sum is 62.

The spelling of 64696069646 in words is "sixty-four billion, six hundred ninety-six million, sixty-nine thousand, six hundred forty-six".