2149950925 has 6 divisors (see below), whose sum is σ = 2665939178. Its totient is φ = 1719960720.

The previous prime is 2149950923. The next prime is 2149950941. The reversal of 2149950925 is 5290599412.

It can be written as a sum of positive squares in 3 ways, for example, as 505080676 + 1644870249 = 22474^2 + 40557^2 .

It is not a de Polignac number, because 2149950925 - 2¹ = 2149950923 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 (2149950923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42998994 + ... + 42999043.

Almost surely, 2^2149950925 is an apocalyptic number.

2149950925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2149950925 is a deficient number, since it is larger than the sum of its proper divisors (515988253).

2149950925 is an equidigital number, since it uses as much as digits as its factorization.

2149950925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85998047 (or 85998042 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 2149950925 is about 46367.5632851242. The cubic root of 2149950925 is about 1290.6530605558.

The spelling of 2149950925 in words is "two billion, one hundred forty-nine million, nine hundred fifty thousand, nine hundred twenty-five".