1064894787329 has 4 divisors (see below), whose sum is σ = 1075233571776. Its totient is φ = 1054556002884.

The previous prime is 1064894787323. The next prime is 1064894787337. The reversal of 1064894787329 is 9237874984601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1064894787329 is a prime.

It is a super-2 number, since 2×1064894787329² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1064894787323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5169392069 + ... + 5169392274.

It is an arithmetic number, because the mean of its divisors is an integer number (268808392944).

Almost surely, 2^{1064894787329} is an apocalyptic number.

It is an amenable number.

1064894787329 is a deficient number, since it is larger than the sum of its proper divisors (10338784447).

1064894787329 is a wasteful number, since it uses less digits than its factorization.

1064894787329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338784446.

The product of its (nonzero) digits is 146313216, while the sum is 68.

The spelling of 1064894787329 in words is "one trillion, sixty-four billion, eight hundred ninety-four million, seven hundred eighty-seven thousand, three hundred twenty-nine".