2648858149 has 4 divisors (see below), whose sum is σ = 3027266464. Its totient is φ = 2270449836.

The previous prime is 2648858143. The next prime is 2648858161. The reversal of 2648858149 is 9418588462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9418588462 = 2 ⋅4709294231.

It is a cyclic number.

It is not a de Polignac number, because 2648858149 - 2³ = 2648858141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2648858149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2648858141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189204147 + ... + 189204160.

It is an arithmetic number, because the mean of its divisors is an integer number (756816616).

Almost surely, 2^2648858149 is an apocalyptic number.

It is an amenable number.

2648858149 is a deficient number, since it is larger than the sum of its proper divisors (378408315).

2648858149 is an equidigital number, since it uses as much as digits as its factorization.

2648858149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378408314.

The product of its digits is 4423680, while the sum is 55.

The square root of 2648858149 is about 51467.0588726420. The cubic root of 2648858149 is about 1383.6287172514.

The spelling of 2648858149 in words is "two billion, six hundred forty-eight million, eight hundred fifty-eight thousand, one hundred forty-nine".