1016964579639 has 4 divisors (see below), whose sum is σ = 1355952772856. Its totient is φ = 677976386424.

The previous prime is 1016964579611. The next prime is 1016964579667. The reversal of 1016964579639 is 9369754696101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1016964579611) and next prime (1016964579667).

It is not a de Polignac number, because 1016964579639 - 2⁷ = 1016964579511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1016964579639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016964579689) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 169494096604 + ... + 169494096609.

It is an arithmetic number, because the mean of its divisors is an integer number (338988193214).

Almost surely, 2^{1016964579639} is an apocalyptic number.

1016964579639 is a deficient number, since it is larger than the sum of its proper divisors (338988193217).

1016964579639 is an equidigital number, since it uses as much as digits as its factorization.

1016964579639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338988193216.

The product of its (nonzero) digits is 66134880, while the sum is 66.

The spelling of 1016964579639 in words is "one trillion, sixteen billion, nine hundred sixty-four million, five hundred seventy-nine thousand, six hundred thirty-nine".