64391711295 has 16 divisors (see below), whose sum is σ = 103030139520. Its totient is φ = 34341112224.

The previous prime is 64391711269. The next prime is 64391711299. The reversal of 64391711295 is 59211719346.

It is not a de Polignac number, because 64391711295 - 2⁶ = 64391711231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64391711299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609076 + ... + 706934.

It is an arithmetic number, because the mean of its divisors is an integer number (6439383720).

Almost surely, 2^64391711295 is an apocalyptic number.

64391711295 is a deficient number, since it is larger than the sum of its proper divisors (38638428225).

64391711295 is a wasteful number, since it uses less digits than its factorization.

64391711295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141734.

The product of its digits is 408240, while the sum is 48.

The spelling of 64391711295 in words is "sixty-four billion, three hundred ninety-one million, seven hundred eleven thousand, two hundred ninety-five".