1064217947528 has 36 divisors (see below), whose sum is σ = 2002044991695. Its totient is φ = 530345144320.

The previous prime is 1064217947519. The next prime is 1064217947591. The reversal of 1064217947528 is 8257497124601.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1064217947528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 638589577924 + 425628369604 = 799118^2 + 652402^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=729458.

It is a super-2 number, since 2×1064217947528² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1660246088 + ... + 1660246728.

Almost surely, 2^{1064217947528} is an apocalyptic number.

It is an amenable number.

1064217947528 is a deficient number, since it is larger than the sum of its proper divisors (937827044167).

1064217947528 is an frugal number, since it uses more digits than its factorization.

1064217947528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 1212 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 1064217947528 in words is "one trillion, sixty-four billion, two hundred seventeen million, nine hundred forty-seven thousand, five hundred twenty-eight".