2119396591 has 8 divisors (see below), whose sum is σ = 2402555120. Its totient is φ = 1853399232.

The previous prime is 2119396577. The next prime is 2119396597. The reversal of 2119396591 is 1956939112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2119396591 - 2¹³ = 2119388399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119396597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290030 + ... + 4290523.

It is an arithmetic number, because the mean of its divisors is an integer number (300319390).

Almost surely, 2^2119396591 is an apocalyptic number.

2119396591 is a deficient number, since it is larger than the sum of its proper divisors (283158529).

2119396591 is a wasteful number, since it uses less digits than its factorization.

2119396591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580585.

The product of its digits is 131220, while the sum is 46.

The square root of 2119396591 is about 46036.9046635414. The cubic root of 2119396591 is about 1284.5097659107.

The spelling of 2119396591 in words is "two billion, one hundred nineteen million, three hundred ninety-six thousand, five hundred ninety-one".