1064789012 has 18 divisors (see below), whose sum is σ = 2167606602. Its totient is φ = 456338064.

The previous prime is 1064789009. The next prime is 1064789039. The reversal of 1064789012 is 2109874601.

It can be written as a sum of positive squares in only one way, i.e., 836597776 + 228191236 = 28924^2 + 15106^2 .

It is a super-2 number, since 2×1064789012² = 2267551280151872288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2716103 + ... + 2716494.

It is an arithmetic number, because the mean of its divisors is an integer number (120422589).

Almost surely, 2^1064789012 is an apocalyptic number.

It is an amenable number.

1064789012 is an abundant number, since it is smaller than the sum of its proper divisors (1102817590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1064789012 is a wasteful number, since it uses less digits than its factorization.

1064789012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432615 (or 5432606 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1064789012 is about 32631.1049766936. The cubic root of 1064789012 is about 1021.1460308636.

The spelling of 1064789012 in words is "one billion, sixty-four million, seven hundred eighty-nine thousand, twelve".