2149008523 has 2 divisors, whose sum is σ = 2149008524. Its totient is φ = 2149008522.

The previous prime is 2149008517. The next prime is 2149008551. The reversal of 2149008523 is 3258009412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149008523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2149008553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074504261 + 1074504262.

It is an arithmetic number, because the mean of its divisors is an integer number (1074504262).

Almost surely, 2^2149008523 is an apocalyptic number.

2149008523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149008523 is an equidigital number, since it uses as much as digits as its factorization.

2149008523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2149008523 is about 46357.3998731594. The cubic root of 2149008523 is about 1290.4644528728.

The spelling of 2149008523 in words is "two billion, one hundred forty-nine million, eight thousand, five hundred twenty-three".