1039216379779 has 8 divisors (see below), whose sum is σ = 1040749007040. Its totient is φ = 1037684505000.

The previous prime is 1039216379759. The next prime is 1039216379821. The reversal of 1039216379779 is 9779736129301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039216379779 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 1039216379779.

It is not an unprimeable number, because it can be changed into a prime (1039216379759) 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 7 ways as a sum of consecutive naturals, for example, 2606544 + ... + 2978674.

It is an arithmetic number, because the mean of its divisors is an integer number (130093625880).

Almost surely, 2^{1039216379779} is an apocalyptic number.

1039216379779 is a deficient number, since it is larger than the sum of its proper divisors (1532627261).

1039216379779 is an equidigital number, since it uses as much as digits as its factorization.

1039216379779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376241.

The product of its (nonzero) digits is 27005076, while the sum is 64.

The spelling of 1039216379779 in words is "one trillion, thirty-nine billion, two hundred sixteen million, three hundred seventy-nine thousand, seven hundred seventy-nine".