1064999999 has 8 divisors (see below), whose sum is σ = 1225312800. Its totient is φ = 906729696.

The previous prime is 1064999987. The next prime is 1065000043. The reversal of 1064999999 is 9999994601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1064999999 - 2¹⁶ = 1064934463 is a prime.

It is a super-2 number, since 2×1064999999² = 2268449995740000002, which contains 22 as substring.

It is a Duffinian number.

1064999999 is a modest number, since divided by 99999 gives 10649 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064999939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509504 + ... + 511589.

It is an arithmetic number, because the mean of its divisors is an integer number (153164100).

Almost surely, 2^1064999999 is an apocalyptic number.

1064999999 is a deficient number, since it is larger than the sum of its proper divisors (160312801).

1064999999 is a wasteful number, since it uses less digits than its factorization.

1064999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021249.

The product of its (nonzero) digits is 12754584, while the sum is 65.

The square root of 1064999999 is about 32634.3377288402. The cubic root of 1064999999 is about 1021.2134728032.

The spelling of 1064999999 in words is "one billion, sixty-four million, nine hundred ninety-nine thousand, nine hundred ninety-nine".