1096518979 has 4 divisors (see below), whose sum is σ = 1096587360. Its totient is φ = 1096450600.

The previous prime is 1096518947. The next prime is 1096518991. The reversal of 1096518979 is 9798156901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9798156901 = 13 ⋅753704377.

It is a cyclic number.

It is not a de Polignac number, because 1096518979 - 2⁵ = 1096518947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1096518919) 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, 4329 + ... + 47029.

It is an arithmetic number, because the mean of its divisors is an integer number (274146840).

Almost surely, 2^1096518979 is an apocalyptic number.

1096518979 is a deficient number, since it is larger than the sum of its proper divisors (68381).

1096518979 is an equidigital number, since it uses as much as digits as its factorization.

1096518979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68380.

The product of its (nonzero) digits is 1224720, while the sum is 55.

The square root of 1096518979 is about 33113.7279538260. The cubic root of 1096518979 is about 1031.1900591105.

The spelling of 1096518979 in words is "one billion, ninety-six million, five hundred eighteen thousand, nine hundred seventy-nine".