64070205265 has 32 divisors (see below), whose sum is σ = 86609912832. Its totient is φ = 45077472000.

The previous prime is 64070205257. The next prime is 64070205289. The reversal of 64070205265 is 56250207046.

It is not a de Polignac number, because 64070205265 - 2³ = 64070205257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6973975 + ... + 6983155.

It is an arithmetic number, because the mean of its divisors is an integer number (2706559776).

Almost surely, 2^64070205265 is an apocalyptic number.

It is an amenable number.

64070205265 is a deficient number, since it is larger than the sum of its proper divisors (22539707567).

64070205265 is a wasteful number, since it uses less digits than its factorization.

64070205265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13321.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 64070205265 in words is "sixty-four billion, seventy million, two hundred five thousand, two hundred sixty-five".