64459006475 has 6 divisors (see below), whose sum is σ = 79929168060. Its totient is φ = 51567205160.

The previous prime is 64459006429. The next prime is 64459006483. The reversal of 64459006475 is 57460095446.

It is not a de Polignac number, because 64459006475 - 2⁸ = 64459006219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1289180105 + ... + 1289180154.

It is an arithmetic number, because the mean of its divisors is an integer number (13321528010).

Almost surely, 2^64459006475 is an apocalyptic number.

64459006475 is a deficient number, since it is larger than the sum of its proper divisors (15470161585).

64459006475 is a wasteful number, since it uses less digits than its factorization.

64459006475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578360269 (or 2578360264 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 64459006475 in words is "sixty-four billion, four hundred fifty-nine million, six thousand, four hundred seventy-five".