64706528830 has 16 divisors (see below), whose sum is σ = 116508585600. Its totient is φ = 25874426272.

The previous prime is 64706528819. The next prime is 64706528897. The reversal of 64706528830 is 3882560746.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989905 + ... + 1053244.

It is an arithmetic number, because the mean of its divisors is an integer number (7281786600).

Almost surely, 2^64706528830 is an apocalyptic number.

64706528830 is a deficient number, since it is larger than the sum of its proper divisors (51802056770).

64706528830 is a wasteful number, since it uses less digits than its factorization.

64706528830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046323.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 64706528830 in words is "sixty-four billion, seven hundred six million, five hundred twenty-eight thousand, eight hundred thirty".