2119590149 has 4 divisors (see below), whose sum is σ = 2119915020. Its totient is φ = 2119265280.

The previous prime is 2119590089. The next prime is 2119590181. The reversal of 2119590149 is 9410959112.

It is a happy number.

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 1031052100 + 1088538049 = 32110^2 + 32993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119590149 - 2²⁰ = 2118541573 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 (2119590449) 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, 152444 + ... + 165765.

It is an arithmetic number, because the mean of its divisors is an integer number (529978755).

Almost surely, 2^2119590149 is an apocalyptic number.

It is an amenable number.

2119590149 is a deficient number, since it is larger than the sum of its proper divisors (324871).

2119590149 is an equidigital number, since it uses as much as digits as its factorization.

2119590149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324870.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 2119590149 is about 46039.0068203040. The cubic root of 2119590149 is about 1284.5488681681.

The spelling of 2119590149 in words is "two billion, one hundred nineteen million, five hundred ninety thousand, one hundred forty-nine".