64047652415 has 8 divisors (see below), whose sum is σ = 78117137088. Its totient is φ = 50398152480.

The previous prime is 64047652391. The next prime is 64047652441. The reversal of 64047652415 is 51425674046.

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

It is not a de Polignac number, because 64047652415 - 2¹⁰ = 64047651391 is a prime.

It is a Duffinian number.

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, 104995847 + ... + 104996456.

It is an arithmetic number, because the mean of its divisors is an integer number (9764642136).

Almost surely, 2^64047652415 is an apocalyptic number.

64047652415 is a deficient number, since it is larger than the sum of its proper divisors (14069484673).

64047652415 is a wasteful number, since it uses less digits than its factorization.

64047652415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209992369.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 64047652415 in words is "sixty-four billion, forty-seven million, six hundred fifty-two thousand, four hundred fifteen".