64743034695 has 8 divisors (see below), whose sum is σ = 103588855536. Its totient is φ = 34529618496.

The previous prime is 64743034693. The next prime is 64743034703. The reversal of 64743034695 is 59643034746.

It is a happy number.

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

It is not a de Polignac number, because 64743034695 - 2¹ = 64743034693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64743034691) 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, 2158101142 + ... + 2158101171.

It is an arithmetic number, because the mean of its divisors is an integer number (12948606942).

Almost surely, 2^64743034695 is an apocalyptic number.

64743034695 is a deficient number, since it is larger than the sum of its proper divisors (38845820841).

64743034695 is a wasteful number, since it uses less digits than its factorization.

64743034695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316202321.

The product of its (nonzero) digits is 6531840, while the sum is 51.

Adding to 64743034695 its sum of digits (51), we get a palindrome (64743034746).

The spelling of 64743034695 in words is "sixty-four billion, seven hundred forty-three million, thirty-four thousand, six hundred ninety-five".