1079686154369 has 4 divisors (see below), whose sum is σ = 1143197104644. Its totient is φ = 1016175204096.

The previous prime is 1079686154329. The next prime is 1079686154401. The reversal of 1079686154369 is 9634516869701.

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 519643464769 + 560042689600 = 720863^2 + 748360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079686154369 - 2¹² = 1079686150273 is a prime.

It is a super-2 number, since 2×1079686154369² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1079686154329) 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, 31755475112 + ... + 31755475145.

It is an arithmetic number, because the mean of its divisors is an integer number (285799276161).

Almost surely, 2^{1079686154369} is an apocalyptic number.

It is an amenable number.

1079686154369 is a deficient number, since it is larger than the sum of its proper divisors (63510950275).

1079686154369 is an equidigital number, since it uses as much as digits as its factorization.

1079686154369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63510950274.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 1079686154369 in words is "one trillion, seventy-nine billion, six hundred eighty-six million, one hundred fifty-four thousand, three hundred sixty-nine".