7109604991 has 4 divisors (see below), whose sum is σ = 7109957272. Its totient is φ = 7109252712.

The previous prime is 7109604941. The next prime is 7109605001. The reversal of 7109604991 is 1994069017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1994069017 = 31 ⋅64324807.

It is a cyclic number.

It is not a de Polignac number, because 7109604991 - 2⁷ = 7109604863 is a prime.

It is a super-2 number, since 2×7109604991² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7109604941) 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 3 ways as a sum of consecutive naturals, for example, 143901 + ... + 186886.

It is an arithmetic number, because the mean of its divisors is an integer number (1777489318).

Almost surely, 2^7109604991 is an apocalyptic number.

7109604991 is a deficient number, since it is larger than the sum of its proper divisors (352281).

7109604991 is a wasteful number, since it uses less digits than its factorization.

7109604991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352280.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 7109604991 is about 84318.4736045429. The cubic root of 7109604991 is about 1922.8636549230.

The spelling of 7109604991 in words is "seven billion, one hundred nine million, six hundred four thousand, nine hundred ninety-one".