1093979913 has 16 divisors (see below), whose sum is σ = 1590731520. Its totient is φ = 664694784.

The previous prime is 1093979881. The next prime is 1093979941. The reversal of 1093979913 is 3199793901.

It is not a de Polignac number, because 1093979913 - 2⁵ = 1093979881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1093979993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174456 + ... + 180617.

It is an arithmetic number, because the mean of its divisors is an integer number (99420720).

Almost surely, 2^1093979913 is an apocalyptic number.

1093979913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1093979913 is a deficient number, since it is larger than the sum of its proper divisors (496751607).

1093979913 is a wasteful number, since it uses less digits than its factorization.

1093979913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355168.

The product of its (nonzero) digits is 413343, while the sum is 51.

The square root of 1093979913 is about 33075.3671634950. The cubic root of 1093979913 is about 1030.3935131946.

The spelling of 1093979913 in words is "one billion, ninety-three million, nine hundred seventy-nine thousand, nine hundred thirteen".