64391014272205 has 16 divisors (see below), whose sum is σ = 78579874744704. Its totient is φ = 50639984815680.

The previous prime is 64391014272149. The next prime is 64391014272331. The reversal of 64391014272205 is 50227241019346.

It is not a de Polignac number, because 64391014272205 - 2¹⁵ = 64391014239437 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 15 ways as a sum of consecutive naturals, for example, 58525497 + ... + 59615566.

It is an arithmetic number, because the mean of its divisors is an integer number (4911242171544).

Almost surely, 2^{64391014272205} is an apocalyptic number.

It is an amenable number.

64391014272205 is a deficient number, since it is larger than the sum of its proper divisors (14188860472499).

64391014272205 is a wasteful number, since it uses less digits than its factorization.

64391014272205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118142916.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 64391014272205 in words is "sixty-four trillion, three hundred ninety-one billion, fourteen million, two hundred seventy-two thousand, two hundred five".