1090979161313 has 4 divisors (see below), whose sum is σ = 1092308003988. Its totient is φ = 1089650318640.

The previous prime is 1090979161297. The next prime is 1090979161339. The reversal of 1090979161313 is 3131619790901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 766452973729 + 324526187584 = 875473^2 + 569672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090979161313 - 2⁴ = 1090979161297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090979161913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664420106 + ... + 664421747.

It is an arithmetic number, because the mean of its divisors is an integer number (273077000997).

Almost surely, 2^{1090979161313} is an apocalyptic number.

It is an amenable number.

1090979161313 is a deficient number, since it is larger than the sum of its proper divisors (1328842675).

1090979161313 is an equidigital number, since it uses as much as digits as its factorization.

1090979161313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328842674.

The product of its (nonzero) digits is 275562, while the sum is 50.

The spelling of 1090979161313 in words is "one trillion, ninety billion, nine hundred seventy-nine million, one hundred sixty-one thousand, three hundred thirteen".