2906815149 has 24 divisors (see below), whose sum is σ = 5051109440. Its totient is φ = 1573613568.

The previous prime is 2906815147. The next prime is 2906815207. The reversal of 2906815149 is 9415186092.

It is not a de Polignac number, because 2906815149 - 2¹ = 2906815147 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 (2906815147) 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 23 ways as a sum of consecutive naturals, for example, 1213012 + ... + 1215405.

Almost surely, 2^2906815149 is an apocalyptic number.

It is an amenable number.

2906815149 is a deficient number, since it is larger than the sum of its proper divisors (2144294291).

2906815149 is a wasteful number, since it uses less digits than its factorization.

2906815149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428449 (or 2428446 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 2906815149 is about 53914.8880087866. Note that the first 3 decimals coincide. The cubic root of 2906815149 is about 1427.1593647639.

The spelling of 2906815149 in words is "two billion, nine hundred six million, eight hundred fifteen thousand, one hundred forty-nine".