2149351825 has 12 divisors (see below), whose sum is σ = 2667673008. Its totient is φ = 1717883600.

The previous prime is 2149351753. The next prime is 2149351873. The reversal of 2149351825 is 5281539412.

It is a happy number.

It is not a de Polignac number, because 2149351825 - 2¹¹ = 2149349777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12127 + ... + 66676.

It is an arithmetic number, because the mean of its divisors is an integer number (222306084).

Almost surely, 2^2149351825 is an apocalyptic number.

2149351825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2149351825 is a deficient number, since it is larger than the sum of its proper divisors (518321183).

2149351825 is a wasteful number, since it uses less digits than its factorization.

2149351825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79904 (or 79899 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 2149351825 is about 46361.1024998328. The cubic root of 2149351825 is about 1290.5331660235.

The spelling of 2149351825 in words is "two billion, one hundred forty-nine million, three hundred fifty-one thousand, eight hundred twenty-five".