64508316695 has 8 divisors (see below), whose sum is σ = 77465320800. Its totient is φ = 51569759520.

The previous prime is 64508316689. The next prime is 64508316701. The reversal of 64508316695 is 59661380546.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64508316689) and next prime (64508316701).

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

It is a de Polignac number, because none of the positive numbers 2^k-64508316695 is a prime.

It is a super-2 number, since 2×64508316695² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604036 + ... + 4618025.

It is an arithmetic number, because the mean of its divisors is an integer number (9683165100).

Almost surely, 2^64508316695 is an apocalyptic number.

64508316695 is a deficient number, since it is larger than the sum of its proper divisors (12957004105).

64508316695 is a wasteful number, since it uses less digits than its factorization.

64508316695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223465.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 64508316695 in words is "sixty-four billion, five hundred eight million, three hundred sixteen thousand, six hundred ninety-five".